问题
选择题
---How did it _________ that all the flowers died ?
---I had forgotten to water them.
A.come on
B.come up
C.come about
D.come along
答案
答案:C
本题的含义是所有的花都死了是如何发生的,我忘记给它们浇水了,come about表示发生的意思,与本题的意思相符,故本题选C。