To be a substantiated opinion, you must have evidence to back it up or be able to point to something to back it up.
Answer: A. The writer states a fact that can be checked by simply going to the large computer company and seeing where is began.
You would need a lot more evidence to prove that small businesses are the reason America has a strong economy.
Option "C" cannot be backed up with a specific fact easily.
Letter "D" would be a more generic statement.
Poetry
<span>–noun </span>
<span>1. </span>
<span>the art of rhythmical composition, written or spoken, for exciting pleasure by beautiful, imaginative, or elevated thoughts. </span>
<span>2. </span>
<span>literary work in metrical form; verse. </span>
<span>3. </span>
<span>prose with poetic qualities. </span>
<span>4. </span>
<span>poetic qualities however manifested: the poetry of simple acts and things. </span>
<span>5. </span>
<span>poetic spirit or feeling: The pianist played the prelude with poetry. </span>
<span>6. </span>
<span>something suggestive of or likened to poetry: the pure poetry of a beautiful view on a clear day. </span>
<span>Automobile </span>
<span>–noun </span>
<span>1. </span>
<span>a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel internal-combustion engine. </span>
<span>Exposition </span>
<span>-noun </span>
<span>(in a play, novel, etc.) dialogue, description, etc., that gives the audience or reader the background of the characters and the present situation. </span>
<span>Are you sure you meant automobile? it doesn't really fit with these literary words.</span>
The answer is the first one, people's thoughtlessness about each others' suffering.
You didn't talk about what your research was about. However, we can select the sources according to assumptions about what you are researching.
If your research is on healthy eating for children and adolescents, or nutritional problems among children and adolescents, the best sources are "Adolescent Nutrition" and "Eat Healthy." This is because these two sources of research show general information about the importance of good nutrition in several factors of our life and how this good nutrition is crucial for the good development and performance of adolescents.
If your research is about the importance of good nutrition or about health problems related to poor nutrition like obesity and cardiovascular problems, the best sources of research will be "Eat Healthy" and "10 Tips: Add More Vegetables to Your Day." This is because in addition to bringing information about the importance of having a healthy, nutritious and balanced diet, it shows how to add healthier materials to your diet, such as vegetables.