Hundreds of American soldiers lost their lives and thousands of them _______ in different parts of Iraq．

A.injured

B.were injured

C.were injuries

D.were the injury

答案及解析： B

解析：

句意为：“在伊拉克的很多地方，有数百美国士兵战死，有数千人受伤。”句子需要谓语动词。