Shallow understanding from people of good will is more frustrating than absolute misunderstanding from people of ill will. what is the author’s purpose for including this sentence?
a. to condemn the insincerity of his critics’ adviceb)to contrast the motivations of people in powerc)to explain the need for mutual understanding
d. to criticize people who treat others cruelly

The first alternative is correct (A).

The passage narrates the speech of a person frustrated by the indifference in the personal treatment by people of good will. The complaint consists of the superficiality or the little attention given to his/her questions. That is, it is a criticism of the shallow advice he/her receives from these people. If they went deeper into the issues, they would give clearer and more objective advice.

sam knew that staying up late on a weeknight would effect his exam performance the next day. however, he believed that his friends would be mad at him if he didn't join them. peer pressure and the thought of losing his friends scared sam. he planned to meet them for a couple of hours and then leave early to study for the exam.

intonation based on rhythm.