The Patriot Act Expands Pen Register and Trap and Trace

The Patriot Act expands pen register and trap and trace:
I. by allowing the devices to capture email headers.
II. by expanding the geographical area the devices can cover.
III. by allowing the devices to be used in misdemeanor investigations.
IV. by allowing the devices to capture email messages.

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