can you tell me something about your English teacher? Yes. All of us _____ him as the best teacher

can you tell me something about your English teacher?
Yes. All of us _____ him as the best teacher in our school.
A.look B.have C.tell D.regard

D regard sb as sth

D,regard sb as 把某人当作

is/was your english teacher here? yes, he/she is/was

你们能够告诉我一些关于你们英语老师的事儿嘛？当然可以，我们所有人都把他当作我们学校最好/优秀的老师。就是词组regard ...as...的运用。词组意思知道了，就知道怎么选了。