The last one.
Create a bibliography so you can make sure you've cited sources correctly.
By repeating certain words he says back to him
I agree with the person above - although this wouldn't be my first thought when I hear the word empower, among these answers, the one that seems the most correct is A. to create a strong desire or longing.
For example:
The desire to go home empowered me.
D. Use, Many players on the baseball team use aluminum bats.
The answer to is question is wealth