Did Officer Mertz Have the Right to Conduct a Pat-Down

Multiple Choice

Did Officer Mertz have the right to conduct a pat-down of Lonnie

A) Yes, Officer Mertz can do a pat-down for her protection anytime she stops someone.
B) Yes, Officer Mertz has an automatic right to do a pat-down whenever she makes a Terry stop.
C) No, Officer Mertz did not have reasonable suspicion that Lonnie was armed.
D) No, Officer Mertz was not allowed to search Lonnie before he was arrested.