问题
选择题
—Do John and Betty have a child？
—Yes. They _______ for twenty years.
A．married
B．have married
C．have got married
D．have been married
答案
答案：D
若问某人是否结婚，而不涉及结婚的对象，可用be / get married的形式，相当于系表结构；be married 强调已经结了婚的关系，get married强调结婚这个动作。根据句意选D符合题意。