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