According to the Supreme Court Opinion in Illinois V

According to the Supreme Court opinion in Illinois v. Wardlow, which of the following can constitute a reasonable basis for a stop and frisk?
I. presence in high crime area
II. refusal to stop and answer questions when requested to do so by police
III. unprovoked flight after seeing police
IV. refusal to identify oneself when asked to do so

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