This machine It has worked for years.Adidn’t workB．wasn’t workingC．doesn’t workD．isn’t w

问题补充：

This machine It has worked for years.

A．didn’t work

B．wasn’t working

C．doesn’t work

D．isn’t working

答案：

解析：时态题。根据it has worked for years可知机器工作到了现在所以“不工作”用一般现在时描述现在的情况。