Print sources include any material that is found in print: a traditional book, magazine, or newspaper. In these times of multiple electronic sources, it can be confusing to determine which sources are identified as print. Even if you find a source in an online database, if there is a print (paper) copy somewhere, then you can list this source as print.
B. They said to others to convince you that b was right
The narrator felt scared- surprised, in a bad way. This makes the readers interested, more interested how it ends, since you've got a good start.
The answer is:
The characteristics of editorials
The characteristics of news reports
How news reports and editorials are similar
How news reports and editorials are different
An essay is brief piece of writing on a particular subject. Essays typically contain an idea in the introduction, called thesis statement, which the writer develops and provides evidence for in the next paragraphs.
In Hiroshi's essay, he must compare news reports and editorials. As a consequence, it is proper to describe their characteritics first, and then compare their similarities and differences.