问题
选择题
His parents for over 40 years and they love each other very much.
A．have been married
B．have married
C．will marry
D．married
答案
答案：A
题目分析：句意：他的父母结婚有四十年了。他们彼此非常相爱。现在完成时表示过去已经开始，持续到现在的动作或状态往往和表示一段时间的状语连用。for+一段时间，since+一段时间点或过去时态的句子。故选A。