They gave me so much help, without I couldn't have succeeded last year．
A. them
B. which
C. it
D. that
网友回答
A. them
(答案→)B. which
C. it
D. that
解析：考查定语从句。本题的先行词是so much help，关系代词which指代先行词在句中作为without的宾语。句意：他们给了我如此多的帮助，要是没有这些帮助，我去年不可能会成功的。根据句意说明B正确。AC项不是定语从句的关系词。That不能放在介词的后面。