问题

It was ______ in the exam that ______ how much time I had wasted.
A:not until I failed;I realized
B:until I failed; I didn’t realize
C:not until I failed; did I realize
D:until I failed; I realized
B:until I failed; I didn’t realize
C:not until I failed; did I realize
D:until I failed; I realized
正确答案是:
同类题型