This is Mr.Andersen from our London office,________I think has some good news for youThis is Mr.Andersen from our London office,_______I think has some good news for you.A.who B.whom C.that D.which选什么?为什么?

This is Mr.Andersen from our London office,________I think has some good news for youThis is Mr.Andersen from our London office,_______I think has some good news for you.A.who B.whom C.that D.which选什么?为什么?
This is Mr.Andersen from our London office,________I think has some good news for you
This is Mr.Andersen from our London office,_______I think has some good news for you.
A.who B.whom C.that D.which
选什么?为什么?

This is Mr.Andersen from our London office,________I think has some good news for youThis is Mr.Andersen from our London office,_______I think has some good news for you.A.who B.whom C.that D.which选什么?为什么?
who因为首先,在定语从句中,指代人可用who或者whom,但是因为在从句中这个代词做了主语,所以只能用who

选A
做主语,且代指人.
注意 I think 为插入语