You may have your own decision on this matter,and I have little doubt( )you will succeed

问题描述:

You may have your own decision on this matter,and I have little doubt( )you will succeed
A.if B.whether C.that D.what
该题正确答案应选C,请解释一下原因,说明其他几项为什么不对,谢谢

是选C
句子的意思是在这件事情有可以有你自己的决定,并且对你将会成功毫无疑问.
if,whether 是“是否”的意思,放在句子中不合适,像doubt,question,等抽象名词后面用that引导从句.