Immediately after the school bus accident,twelve students were sent to hospital,_______ eight.died despite treatment.A.which B.that C.who D.where

Immediately after the school bus accident,twelve students were sent to hospital,_______ eight.died despite treatment.A.which B.that C.who D.where
Immediately after the school bus accident,twelve students were sent to hospital,
_______ eight.died despite treatment.
A.which B.that C.who D.where

Immediately after the school bus accident,twelve students were sent to hospital,_______ eight.died despite treatment.A.which B.that C.who D.where
选D,意思是尽管被送去了医院接受了治疗,还是有八个人死了（在医院）.