How can automation be used to help meet this requirement?

Sales management wants to enforce a process in which the name of an account is always included in the name of an opportunity.

How can automation be used to help meet this requirement?
A . Use approval process that routes newly created opportunities to management for data quality review.
B . Use an Apex Trigger on the Account object that adds the account name to the opportunity name.
C . Write a criteria-based workflow rule that updates the opportunity name concatenated with the account name.
D . Write a validation rule that updates the opportunity name with the account name using a cross-object formula.

Answer: C