Plan Quality is the process of identifying quality requirements and standards for the project and product, and documenting how the project will demonstrate compliance．（  ）is a method that analyze all the costs incurred over the life of the product by investment in preventing nonconformance to requirements, appraising the product or service for conformance to requirement, and failing to meet requirements．
A．Cost-Benefit analysis             
B．Control charts
C．Quality function deployment       
D．Cost of quality analysis