In the Following Description About Prototyping, Which One Is Appropriate

Multiple Choice

In the following description about prototyping, which one is appropriate?

A) Prototyping is an activity that only happens in user-needs test;
B) Prototyping is used to demonstrate the real system after it is developed;
C) Low-fidelity prototyping normally uses materials that would be expected to be in the final product;
D) High-fidelity prototyping uses prototypes that are simple, cheap and quick to produce and modify;
E) Prototyping can occur many times in the development process of an information system.