Final answer:
Option A) So many people have rejected me in my life.
Step-by-step explanation:
The change from passive voice to active voice in the given choices is represented in option A) So many people have rejected me in my life. In the passive voice sentence, the subject of the sentence is the receiver of the action. In the active voice, the subject acts. In this case, the subject 'So many people' is acting 'rejecting' the speaker.