The SRS is said to be consistent if and only if____________________?

The SRS is said to be consistent if and only if____________________?

A. its structure and style are such that any changes to the requirements can be made easily while retaining the style and structure
B. every requirement stated therein is one that the software shall meet
C. every requirement stated therein is verifiable
D. no subset of individual requirements described in it conflict with each other

Explanation: Real world object may conflict with each other for example one requirement says that all lights should be red while the other states that all lights should green