I often think of the years I worked with the foreigners, has had a great effect on my later life.
A. that; which
B. when; which
C. which; that
D. when; who
网友回答
A. that; which
B. when; which
C. which; that
D. when; who
解析：根据句意,第一空需填关系副词when; 第二空which引导非限制性定语从句,指代主句的整个情况。