B. he's making a rude gesture
The answer is C.
Since Bibliography is " a list of works (such as books and articles)" and c is the only one with anything listed.
Answer:
Going to a university requires high school graduates to live far from home but this happens often some of the students have graduated recently and many of the graduates are reluctant to live far from home.
It is a simile because your comparing two things
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Someone has to teach the docters how to become a docter