Q : How is verification different from validation ? 

A :  While verification is an internal process, Validation involves Customer Acceptance.

B : While validation  is an internal process, Verification involves Customer Acceptance

C : Both are same 

D : none of the above 

my Query is Verification deliverables is input to VALIDATE SCOPE and validated Changes is input to M&C process. 

I chosed Answer B : wheras The right answer is A

Please clarify me how come A is the write answer.