一Could you tell me what happed last night ?
一I can't go into detail now because it take too long.
A. would
B. should
C. might
D. could
网友回答
(答案→)A. would
B. should
C. might
D. could
解析：根据答话人说：我现在不能细讲，因为可能要花很长时间。由此可知这里考查情态动词表推测。would此处不表时态，表示可能性弱于will的推测。should表示理应；might, could表示较小的可能性，均不符合题意。