Moe Has Entered into a Contract with Larry

Moe has entered into a contract with Larry. Subsequently, Moe assigns his rights in that contract to Curley. Which of the following would not prevent that assignment?

A) The contract contains an antiassignment clause.
B) The assignment would materially alter Larry's duties and cause an increased burden or risk to Larry.
C) Larry protests the assignment and demands that Moe not make the assignment.
D) The assignment would violate public policy matters.