How is the underlined noun clause used in this sentence?

What I told him was that he needs to clean his room before he can go out.

A.
predicate nominative

B.
subject

C.
object of a preposition

D.
direct object

underlined)=that he needs to clean his room before he can go out.
@petiteme

Question

How is the underlined noun clause used in this sentence? 

What I told him was that he needs to clean his room before he can go out.
 
 A.
predicate nominative
 
 B.
subject
 
 C.
object of a preposition
 
 D.
direct object

underlined)=that he needs to clean his room before he can go out.
@petiteme

petiteme · Answer

subject
  or predicate nominative