When I said some students were so lazy I to you.A. don’t referB. wasn’t referringC. didn

问题补充：

When I said some students were so lazy, I to you.

A. don’t refer

B. wasn’t referring

C. didn’t refer

D. hasn’t referred

答案：

A. don’t refer

(答案→)B. wasn’t referring

C. didn’t refer

D. hasn’t referred

解析：考查时态。根据句意是指我说有些学生懒惰的时候，是过去的某一个时间点，那么使用过去进行时，故B正确。句意：当我说有些学生懒惰的时候，我不是在说你。