The correct answer is A.
Quality is defined as conformance to requirements and specifications. The best answer here is when the requirements have been met (choice A). We do not achieve quality if we exceed expectations (choice B), get a verbal OK (choice C), or stop adding features requested by the customer (choice D).
Pass PMP in the First Attempt : PMP Strategy
Revise Quality Management Concepts: Project Quality Management
Quiz:
20 Questions Challenge
50 Questions Challenge