Question

Nie Haisheng and Fei Junlong were sent up into space with Shanzhou Ⅵ, ________ they stayed for 119 hours．

1. A.
   which
2. B.
   where
3. C.
   in which
4. D.
   both B and C

Answer 1

D
从备选项的设置上可以获知本题考查的是非限制性定语从句的引导词，从句的主语和谓语是完整的，因此引导词在从句中充当状语，用where或in which皆可。