Q. Which of the following statements explains portability in non-functional requirements?

• (A) it is a degree to which software running on one platform can easily be converted to run on another platform
• (B) it cannot be enhanced by using languages, os’ and tools that are universally available and standardized
• (C) the ability of the system to behave consistently in a user-acceptable manner when operating within the environment for which the system was intended
• (D) none of the mentioned