Joyelle Is an Undercover Investigative Officer

Joyelle is an undercover investigative officer. Last month, to solve a case of art theft, she posed as a purchaser and recovered stolen paintings worth $15 million and arrested the perpetrators responsible for the heist. It can be assumed that Joyelle _____ to solve the case of art theft.

A) conducted a sting operation
B) piloted a cold hit
C) engaged in racial profiling
D) carried out a civil rights violation