If a Police Officer Lawfully Pats Down a Suspect's Outer

If a police officer lawfully pats down a suspect's outer clothing and feels an object and the contour or mass of the object makes its identity immediately apparent that the item is a bag of cocaine:

A) the only way the officer can seize the item is to gain the consent of the suspect.
B) the officer is legally justified to reach into the suspect's clothing to retrieve the item.
C) the officer is not legally justified to reach into the suspect's clothing to retrieve the item.
D) the officer can only detain the suspect and wait for a warrant to be issued.