Question

at the end of act 4, claudius and laertes ____________. are betrayed by gertrude are allied against hamlet are enemies with one another are forced to fight one another

Explanation:

In Hamlet, at the end of Act 4, Claudius manipulates Laertes by blaming Hamlet for Polonius' death. Claudius and Laertes form an alliance to take revenge on Hamlet. Gertrude does not betray them in this context. They are not enemies with each other or forced to fight each other at this point.

Answer:

are allied against Hamlet