B. he pauses to listen for voices y because he wants to know who it is
I believe is the answer is A. Senator Hillary Clinton.
Martin used the phrase " I have a dream" because it was something he wished could happen, maybe in his dreams everyone was living happily together.
1. Not everyone learns at the same pace.
2. Something at home might of come up, loss of someone or sickness.
3. To give the chance to pass.
