If feel that it were to be other youtube's and like his mom because he mostly talks about his mom in his videos, and i also think he just wanted to follow his dreams and listen to his heart, which later became a great influence because he just came out with a book, and has a tour, and is very popular on youtube now.
        
             
        
        
        
I believe A is the answer
        
             
        
        
        
In her speech in TED.Talks she says she writes to entertain and educate
        
             
        
        
        
Answer:
Explanation:
d is the answer or either a