Final answer:
The "Consent to Settle" clause in the Professional Liability policy is a requirement for the insured's permission before settling a claim.
Step-by-step explanation:
The "Consent to Settle" clause in the Professional Liability policy is best described as:
B) A requirement for the insured's permission before settling a claim
This clause in the policy ensures that the insurer cannot settle a claim without the consent of the insured. It provides the insured with the authority to make decisions regarding settlement negotiations and prevents the insurer from settling a claim against the insured without their permission.