托业考试

试题来源：托业-2
【单选题】 The consultant ______his business if he had advertised.
A．(A) doubled
B．(B) will double
C．(C) would double
D．(D) could have doubled

参考答案：D
网考网解析：
A past unreal condition that uses the past perfect in the if-clause uses could have or would have and the past participle in the ... 查看试题解析出处>>