Read the sentence.

As soon as the drama club decides on a musical, they will hold auditions for anyone who is interested in trying out.

What is the function of the clause "As soon as the drama club decides on a musical" in the sentence?

Responses

It is an adjective clause modifying anyone.
It is an adjective clause modifying , anyone, .

It is an adjective clause modifying they.
It is an adjective clause modifying , they, .

It is an adverb clause modifying will hold.
It is an adverb clause modifying , will hold, .

It is an adverb clause modifying trying out.

It is an adverb clause modifying will hold.