I would personally go with B
Answer:
C
Explanation:
A thesis is essentially an answer to the question/prompt. And it seems that C is where the author states his/her opinion on the subject.
Answer:
Using the passive voice
Explanation:
Ex:
Rice is grown in China. (You don't know who grew the rice.)
Answer:
I believe that is a metaphor. If not my bad. Hope this is the right answer.