When I saw his smiling face ,I knew he ____good news of his parents .A has had B had had C was hav请写明原因

问题描述:

When I saw his smiling face ,I knew he ____good news of his parents .A has had B had had C was hav
请写明原因

B
当我看到他的笑脸时,我知道他有他父母的好消息了.
主句用knew, 所以从句也用过去时态
按照题意,我看到他时,强调已经有好消息了,要用完成时态,所有选B.