They believe spirit stays with the body for 3 days, ______someone always stays with the dead person.

They believe spirit stays with the body for 3 days, ______someone always stays with the dead person.

A.during this time

B.during which

C.so when

D.during when

答案及解析： B

解析：

考查定语从句。句中先行词为3 days，during which即during 3 days在三天期间，选B。