The news _______to Shanghai delighted all of them.A.they would go B.which they would go C.that they would go D.would go 为什么选C,用that?

The news _______to Shanghai delighted all of them.A.they would go B.which they would go C.that they would go D.would go 为什么选C,用that?
The news _______to Shanghai delighted all of them.
A.they would go
B.which they would go
C.that they would go
D.would go
为什么选C,用that?

The news _______to Shanghai delighted all of them.A.they would go B.which they would go C.that they would go D.would go 为什么选C,用that?
主语从句that they would go to Shanghai =the news