Question

In the office I never seem to have time until after 5:30 p. m., ________ many pe

In the office I never seem to have time until after 5:30 p. m., ________ many people have gone home.
A. whose time
B. that
C. on which
D. by which time

Answer 1

答案D
先行词5：30 p.m.与time之间是一种同位关系，可用which来作定语替代．从句中的完成状态，常与by短语连用，故选 D．