问题
选择题
I never doubt ______________.
A．whether Tom has told me the truth or not
B．that whether has Tom told me the truth
C．that Tom has told me the truth
D．if Tom has told me the truth
答案
答案：C
题目分析：句意：我从不怀疑汤姆是否告诉了我真相，不管什么类型的定语从句，总是用陈述语序，即：从句的连接词后是主语、谓语、宾语的语序，从句的时态要与主句的时态保持一致。从句在否定句及疑问句中多跟that引起的从句，在肯定句中多跟whether(if)引起的从句。
结合句意，故选C。