问题
选择题
I had no idea how it______ that he should have been late for class three times a week.
A．came across
B．came about
C．came out
D．came down
答案
答案：B
句意: 我不知道他一星期竟然迟到三次是怎么回事? come about 意思为“产生；发生”, 是不及物动词词组，相当于happen。come across偶然发现；碰见；come out出来；出版；come up出现；走过来；被提出。