刚考完的一道英语中考题，不太确定所以过来问问

looking
句中see（时态略）是宾语，look现在分词作宾语补足语

I have never seen him (looking) so upset ,I want to comfort him
see sb do 看见某人做过什么事情
see sb doing 看见某人正在做什么事情

look 我从没见过他如此心烦

看到某人做过某事 see sb do sth

看到某人正在做某事 see sb doing sth

looking
see sb do 看见某人做过什么事情
see sb doing 看见某人正在做什么事情

looking把
我就凭借语感。。。。

LOOKING