— Shall I tell John about it ?— No you . I’ve told him already .A. needn’t B. wouldn’t

问题补充：

— Shall I tell John about it ?

— No , you . I’ve told him already .

A. needn’t

B. wouldn’t

C. shouldn’t

D. mustn’t

答案：

(答案→)A. needn’t

B. wouldn’t

C. shouldn’t

D. mustn’t

解析：句意：我要把这件事告诉约翰吗？不，你不必。我已经告诉他了。needn’t不必；wouldn’t不愿意；shouldn’t 不应该； mustn’t禁止，不允许。根据I’ve told him already .可知该选A。