—Did you listen to the report last Friday?—Yes it was about the shortage of immigrant wor

问题补充：

—Did you listen to the report last Friday?

—Yes, it was about the shortage of immigrant workers. That was the first time I about the subject.

A. have heard

B. was hearing

C. would hear

D. had heard

答案：

A. have heard

B. was hearing

C. would hear

(答案→)D. had heard

解析：D 考察时态。It/This/That was the first time that句型中，从句使用过去完成时。