The whole class the teacher attentively.
A. are listening to
B. is listening to
C. are listening
D. is listening
网友回答
(答案→)A. are listening to
B. is listening to
C. are listening
D. is listening
解析：这题考查主谓一致，the class是集体名词，如当成整体，谓语是单数，如当成是个体成员，谓语就是复数，句意是：全班在认真的听老师讲话。选A。