问题描述：
应该是哪个,为什么要选这个?
Mr.Black is very happy because the clothes made in his factory have never been___
A.Popular
B more popular
C.most popular
D.the most popular
Mr.Black is very happy because the clothes made in his factory have never been___
A.Popular
B more popular
C.most popular
D.the most popular
问题解答：
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