Answer:A-An unknown person claiming to be a maintenance worker who has no tools or equipment and is dressed inappropriately.
Explanation:
For surveillance one should properly adopt the character in order to avoid the doubt of people. Here the person is claiming to be a maintenance worker but he has no tools or equipment and is dressed inappropriately. This can create a feeling of suspicion among the people whom he had interacted in order to get the information about the culprit.
