题目内容：

______ for your advice,I would have been taken in.
选项:
a、Had it not been
b、 Had it not
c、 It had not been
d、 Not had it been

优质解答

选A
因为这是一个对于过去的虚拟,整句翻译是：幸亏你的建议,不然我就被骗了.首先,这句话是对一个事实的否定,事实是过去听了别人的意见没有被骗,所以用if引起从句,而这里省略了if,就必须将had提前.