Which Is Not a Key Question on Which the Systems

Which is not a key question on which the systems analyst must make a decision?

A) Which should the systems analyst pay attention to, among many reports, forms, output documents, and memos?
B) Which should the systems analyst ignore?
C) Which people should the systems analyst interview?
D) Which people should the systems analyst seek information from via questionnaires?
E) Which people should the systems analyst observe in the process of carrying out their mission?