Now Tom with his classmates---football on the playgroundA play B are playing C plays D is played

问题描述:

Now Tom with his classmates---football on the playground
A play B are playing C plays D is played

选C
主语是Tom 所以谓语动词用三单plays
with his classmates 是伴随状语 对句子结构没有影响
4个选项中只有C是三单

选项错了吧,应该填is playing

is playing吧,主语是Tom 诶,要用三单式的哇