Final answer:
The suitable security control in Salesforce to meet Maya's requirement at Radnip Studios is Workflow Rules, which can enforce visibility restrictions that change upon approval. The correct answer is option A.
Step-by-step explanation:
The appropriate security control for ensuring that only the account owner can access a new account record in Salesforce, and once it is approved by the head of compliance, it's then visible to everyone else in the company, is Workflow Rules. Workflow Rules can be configured to change the sharing settings of a record upon certain conditions being met—in this case, Maya's approval.
After approval, the workflow would update the record's sharing settings, making it visible to the rest of the company. Though Field-level Security controls access to specific fields, Record Types can manage different page layouts, and Process Builder has broader automation capabilities, they do not restrict record visibility in the way required. The correct answer is option A.