---- Did he come back early last night?
问题:
---- Did he come back early last night?
---- Yes. It was not yet eight o’clock _______ he arrived home.
A.when
B.that
C.before
D.until
---- Did he come back early last night?
---- Yes. It was not yet eight o’clock _______ he arrived home.
A.when
B.that
C.before
D.until