Question

The old couple have been married for 40 years and never once ________ with each other.

A．they had quarrelled	B．they have quarrelled
C．have they quarrelled	D．had they quarreled

Answer 1

C

C。由否定意義的詞never once開頭，句子用部分倒裝；前一并列分句已經(jīng)提示要用現(xiàn)在完成時態(tài)。