Which of the Following Reforms Have Been Suggested for Police

Which of the following reforms have been suggested for police interrogation and confession procedures?
I. Reduce the length of time in custody and interrogation
II. Eliminate police using false information and misrepresentations during interrogation
III. Requiring police to remind suspects of their right to remain silent several times during an interrogation session
IV. Video taping interrogations and confessions

A) I, II, III, IV
B) I, III, IV
C) I, II, IV
D) II, III, IV