teacher told me that the students I wanted to see were seen___ football on the playground just now.

teacher told me that the students I wanted to see were seen___ football on the playground just now.

题目
teacher told me that the students I wanted to see were seen___ football on the playground just now.
A.playing B.to be playing C.play D.to play
答案
A
这里表示我想见的学生们正在做这件事
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