Whitney Houston's sudden death suggests that drug abuse is such a serious ptoblem__we should dealwith properlyA.as B.that 望给个详解

Whitney Houston's sudden death suggests that drug abuse is such a serious ptoblem__we should dealwith properlyA.as B.that 望给个详解
Whitney Houston's sudden death suggests that drug abuse is such a serious ptoblem__we should deal
with properly
A.as B.that
望给个详解

Whitney Houston's sudden death suggests that drug abuse is such a serious ptoblem__we should dealwith properlyA.as B.that 望给个详解
B,是定语从句,deal with缺少宾语,用that.