____________, I wouldn’t have finished my homework.
A．If you didn’t help meB．Had you not helped me
C．If you haven’t helped meD．Haven’t you helped me
B
虛擬語氣考查題。對過去的虛擬if從句用過去完成時（還可省略if提前had），主句用情態(tài)動詞+have done。句意：如果沒有你的幫助我就不能完成作業(yè)。
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