How is the infinitive phrase used in the sentence?

To play in the band is my dream.

A.
adjective

B.
adverb

C.
noun as predicate nominative

D.
noun as subject

Well, I would say adjective buuut it could be an adverb too..

Question

How is the infinitive phrase used in the sentence? 

To play in the band is my dream.
 
 A.
adjective
 
 B.
adverb
 
 C.
noun as predicate nominative
 
 D.
noun as subject

Well, I would say adjective buuut it could be an adverb too..

anonymous · Answer

This is a subject. So D. Ask yourself this question: "What is my dream?" 
Answer: "To play in the band"

anonymous · Answer

Ooooo.~ Okies. Thankies XD