Which of the Following Questions Is/are Part of the Three

Which of the following questions is/are part of the three step analysis used to determine whether the government has complied with the Fourth Amendment?
I. Did the government action emphasize results over process?
II. Was there a physical intrusion into a protected place?
III. Was the government action a "search" or "seizure"?
IV. If the action was a search, was it an "unreasonable" search?

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