Answer:
a. Adult students are frequently motivated to return to school... (Alex, Marks, & Jones, 2005).
Explanation:
It is important to consider that when information is paraphrased and you need to cite it, you have to include both the author/authors and the date such as in the example above. And although it is not a requirement, it is better to also include the number of the page from which the information was taken.
B.
Because they come from rival families, their families do not approve of their relationship.
Answer:
This paragraph lacks variety, because each sentence begins with the subject, Cory.