TCSEC classification A offers what characteristic that classification B does not?

A.
Testing is less detailed in A

B.
A requires fewer TCB components

C.
More formal methods of evaluation are used in A

D.
Security mechanisms are under less scrutiny in A

Explanation:
The biggest difference between classifications A and B is the existence of more formalized methods of evaluation. The system’s design, coding practices, documentation, testing procedures, and even product delivery are highly scrutinized.