Question

Is there any doubt ________ he is a thief?

1. A.
   about
2. B.
   of
3. C.
   that
4. D.
   with

Answer 1

C
解析：
此句的空白后是一同位语从句，修饰先行间doubt。连词that引导同位语从句，但不在从句中充当成份。