contestada

is Al stayed at the library until it closed a compound-complex, independent clause or a compound

Respuesta :

Answer:

This is an independent clause.

Explanation:

A compound sentence is composed of more than a single independent clause.

Ex.: Al stayed at the library, and then he went home.

A compound-complex sentence is composed of more than a single independent clause AND has a dependent clause attached (either before or after it).

Ex.: Al stayed at the library, and then he went home because he was tired.

Ex.: After soccer practice, Al stayed at the library, and then he went home.