You have to compare to teacher to something else like: "My teacher is as sneaky as a fox" ; Something like that.
I believe it would be to inform, the particular excerpt isn't really informing about anything, and its not persuading the reader to do anything, simply attempting to entertain the reader with a story.
According to the passage, the best anwer is option c) "Most Likely to Become a Social Activist." A social activist is someone who wants to bring about social change. An activist si someone with strong convictions in a given cause and fights in order to produce changes in society.
In this case, Jackie Robinson strives for the civil rights of black people and fights against discrimination in sports. His actions show a commitment to the cause, and due to this he is considered a leader of civil rights nationwide.
He wants to get rid of the bicycle because it is broken and rusted. He is worried that his child may injure himself while riding it. He no longer needs a bicycle to help him make a living.
