Final answer:
The primary duties of loss prevention include preventing shoplifting and fraud, deterring criminal activity with their presence, and they may aid in the process of arrest and prosecution, handled by law enforcement. Therefore, the answer is 'All of the above'.
Step-by-step explanation:
The primary duties of loss prevention include a variety of measures intended to prevent theft, fraud, and other types of loss within a retail or corporate setting. A. prevent shoplifting and fraud is one of the fundamental responsibilities of loss prevention professionals. They aim to deter criminal activity through various means, including surveillance, security protocols, and employee training. B. arrest and prosecute is not typically a primary duty as arrests are often handled by law enforcement, though they may work in conjunction with loss prevention to handle criminal cases. C. deter with presence is indeed another critical role of loss prevention, as the visible presence of security personnel can be a significant deterrent to potential theft and fraud. Therefore, the correct answer would be to D. All of the above, as all these elements collectively represent the comprehensive range of duties undertaken by loss prevention personnel to protect a business's assets.