问题描述：
The audience was mainly_______ of young people
A.consisted
B.composed
C.concluded
D.comprised
貌似四个都是由什么什么构成的意思.求大神解答.
A.consisted
B.composed
C.concluded
D.comprised
貌似四个都是由什么什么构成的意思.求大神解答.
问题解答：
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