C because it sounds more formal and like you know what you are talking about !
Answer:
1. This shows that the average intelligence is not very smart. In the book, they make the very smart people dumer so that things can be "equal", which you will soon learn, or have learned already.
2. Equality and fairness are different and they got it mixed up. Equality is treating people the same, or viewing them as the same, no matter their circumstance, but fairness is making sure everyone is the EXACT same, like sharing a pizza, its only FAIR that, between two people, they each get four.
They have confused these concepts.
Hope this helps you out!!
