Answer:
C: Mutual Assent.
Step-by-step explanation:
Mutual assent is a legal term which represents an agreement by both parties to a contract. When two parties to a contract both have an understanding of the parameters, terms and conditions surrounding a contract, it ultimately implies that they are in agreement; this is generally referred to as mutual assent.
Hence, the criteria that parties to a contract must be in agreement is also known as mutual assent.
In a nutshell, mutual assent connotes agreement, acceptance and consent to a contract by both parties.