"... people who did wondering. What if？" (paragraph 3) refers to "those______".
A. who think too much of the dark side of life
B. who regret giving up their career halfway
C. who think a lot without making a decision
D. who are full of imagination even upon death
【C15】______
A. besides
B. and
C. yet
D. but
【C12】______
A. possibility
B. way
C. reason
D. necessity
【C10】______
A. consists
B. consists of
C. makes
D. composes
微信支付 
支付宝支付