The young dancers looked so charming in their beautiful clothes that we took pictures of them.
A. many of
B. masses of
C. the number of
D. a large amount of
网友回答
A. many of
(答案→)B. masses of
C. the number of
D. a large amount of
解析：句意：这些年轻的舞者们穿这些漂亮的衣服看起来是如此的迷人，以至于我们给他们拍了很多的照片。masses of 大量的，修饰可数名词的复数形式，故选B