I should convey my appreciation to my high school teachers, without help I wouldn’t achieve such a big success.
A. whom
B. them
C. which
D. whose
网友回答
A. whom
B. them
C. which
(答案→)D. whose
解析：本题考查定语从句。句中先行词为teachers,在定语从句中作定语，故用关系词whose。句意：我应当向我的高中老师表达我的感激，没有他们的帮助，我不会去的如此大的成功。