问题

Liu Zhuiheng , ______ is suspected of setting off an explosion at a tax office on July 30 in Hunan Province , ______ four people were killed and 19 injured , is taken into police custody(拘留) in Changsha in this undated photo.
A:that ; in which
B:that ; where
C:who ; in which
D:who ; which
B:that ; where
C:who ; in which
D:who ; which
正确答案是: