The porter (saw) that we were comfortably settled in our seats.A._英语解答

The porter (saw) that we were comfortably settled in our seats.
A.observed
B.looked at
C.made sure
D.be sure
为什麼答案选C
A,B的意思都跟题目(saw)一样啊

人气：213 ℃　时间：2020-06-08 14:38:15

解答

A是观察（如星空,植物长势等科学观察）
B意为目不转睛盯着
D主语只能是第一人称