单选题 —She asked you when ______ again?
—Tell her that I'll let her know when he ______.
A．he came; comes B．would he come; will come
C．he came; will come D．he would come; comes

【正确答案】 D
【答案解析】[解析] 本题考查时态的用法。根据句意，可知正确答案是D。