It was not until he came back _____ he knew the police were looking for him.
A. which B. since
C. that D. before
It was not until he came back _____ he knew the police were looking for him.
A. which B. since
C. that D. before
C
为 He didn’t know the police were looking for him until he came back 之强调形式。注意，not … until … 的强调句式通常为 It was not until … that … 的形式。