中原工学院 / 大学英语（1）
_ _ _ _ _ the advice of his friends, he would not have suffered such a heavy loss in his business.
A、If he took
B、If he should take
C、Were he to take
D、Had he taken
A、If he took
B、If he should take
C、Were he to take
D、Had he taken
参考答案：
佳题速递：