问题
“I’m certainly more and more to theconclusion that Iraq has, ___they maintained（断言）, destroyed almost all of _____ they hadin the summer of 1991.” Bill said.
A:frequently
B:tax that is not paid directly to thegovernment
C:tax that is paid as an extra amount added tothe price of certain goods
D:as, what
B:tax that is not paid directly to thegovernment
C:tax that is paid as an extra amount added tothe price of certain goods
D:as, what
正确答案是：
