Answer:
A
Step-by-step explanation:
It will allow Edward to be part of the shot, this is because there will be a delay in the time this said camera will snap.
Example, If Eward places this camera on a table and sets the camera at 10:30am, while the camera self-timer will snap in 10sec, if Edward reaches the spot of snap in 10:35am, he will be part of the picture.