问题补充：
You of the time of the party, but I forgot. I am so sorry.
A. should have been told
B. ought to tell
C. could have told
D. ought to have told
答案：
(答案→)A. should have been told
B. ought to tell
C. could have told
D. ought to have told
解析：可联系答.案.网客服索取。
