It's strange that he ____ interest in much of his research.A.should have lost B.would lose C.had lost D.will lost应该选什么?请帮忙翻译下.

It's strange that he ____ interest in much of his research.A.should have lost B.would lose C.had lost D.will lost应该选什么?请帮忙翻译下.
It's strange that he ____ interest in much of his research.
A.should have lost B.would lose C.had lost D.will lost
应该选什么?请帮忙翻译下.

It's strange that he ____ interest in much of his research.A.should have lost B.would lose C.had lost D.will lost应该选什么?请帮忙翻译下.
A
真奇怪,他应该对他大部分的研究失去兴趣了.(然而没有失去)

A