Which of the Following Statements About User-Needs Test Is Appropriate

Which of the following statements about user-needs test is appropriate?

A) User-needs test is an important part of the system design stage;
B) User-needs test can be conducted once or multiple times during analysis stage;
C) User-needs test is very useful in analyzing organization's total information needs;
D) User-needs test is conducted independently by target users;
E) User-needs test focuses on the needs of an organization instead of individual users in that organization.