In a Client Satisfaction Survey for an Internal Audit Engagement

In a client satisfaction survey for an internal audit engagement, client management should be asked to assess which of the following factors?

A) Audit team's knowledge of the audited area. II. Usefulness of the audit results. III. Quality of management of the internal audit activity. IV. Clarity of the scope and objectives of the audit engagement.
B) I and II only
C) II and IV only
D) I, II, and IV only
E) I, III, and IV only