I shall never forget those years I worked in the factory with the workers,
has a great effect on my life.
A. when, that
B. which, which
C. in which, when
D. in which, which
网友回答
A. when, that
B. which, which
C. in which, when
(答案→)D. in which, which
解析：第一空的关系词引导的是定语从句，先行词是those years，又因为从句里不缺宾语，可以用in which ，when故排除B；第二空的关系词引导的也是定语从句，关系词在从句中作主语，when不能作主语，又因为是非限制性定语从句，不能用that，故排除AC，故选D。