—Did you call to book a ticket for the concert ?
—Not yet, but I .
A. should have
B. may
C. ought to
D. shall
网友回答
(答案→)A. should have
B. may
C. ought to
D. shall
解析：考查情态动词的用法。“你打电话要订音乐会的票吗？”“还没有，但是我本应该（打电话的）。”情态动词+have done表示“本......”。Should have done“本应该做某事”。故选A。