After a short rest, he came back to he had stopped and continued reading.
A. where
B. which
C. in which
D. that
网友回答
(答案→)A. where
B. which
C. in which
D. that
解析：考查宾语从句。比较中介词to后面含有宾语从句where he had stopped连接副词where在句中做地点状语。句意：短暂的休息以后，他又回到他停下来的地方，继续阅读。比较是宾语从句，并非定语从句，定语where不能等于in which。故A正确。