Answer:
B. Create a new Opportunity Quick Action that validates Account ownership.
Explanation:
This will have the ability to validate the ownership of the account which is completely necessary at this point. The validation rules are very specific.
It says that when the data is placed into the account, it should be checked to make sure that it meets the standards that are set by the company. There will be a formula that can be placed there that will state if the data that has been placed is true or false. If in case the data that has been entered is not valid, it will immediately be known.