Which of the Following Is a True Statement

Multiple Choice

Which of the following is a true statement?

A) Mandatory features screen out possible solutions; essential features are the important capabilities of a system that will serve as the primary basis for comparison of different design strategies.
B) Essential features screen out possible solutions; mandatory features are the important capabilities of a system that will serve as the primary basis for comparison of different design strategies.
C) Mandatory features screen out possible solutions; essential features are those that users could live without.
D) Essential features screen out possible solutions; mandatory features are those that users could live without.
E) Desired features screen out possible solutions; mandatory features are the important capabilities of a system that will serve as the primary basis for comparison of different design strategies.