——— Alice looks sad. Did you tell her about the accident? ——— Yes but I her just before

问题补充：

——— Alice looks sad. Did you tell her about the accident? ——— Yes， but I her just before her final exams.

A. shouldn’t tell

B. shouldn’t have told

C. needn’t tell

D. mustn’t have told

答案：

A. shouldn’t tell

(答案→)B. shouldn’t have told

C. needn’t tell

D. mustn’t have told

解析：考察shouldn’t have done本不应该做某事。