问题补充:
—What a pity!
—Yes, I his not trying it, but in vain.
A. was suggesting
B. will suggest
C. would suggest
D. had suggested
答案:
A. was suggesting
B. will suggest
C. would suggest
(答案→)D. had suggested
解析:考查时态。根据句意可知这件事情是发生过的事情,而卧建议他不要尝试是在事情发生之前,所以使用过去完成时。