Mr.Wang often asks us in the classA. not talkB. not to talkC. don’t talk

问题补充：

Mr.Wang often asks us in the class

A. not talkB. not to talkC. don’t talk

答案：

解析：ask后面接带to的不定式做直接宾语，动词不定式的否定形式，通常是在不定式符号to的前面加not，故选B。