Which of the following selections best states a central idea of the Point essay?
O A. Intelligence is entirely determined by the intelligence of one's parents.
B. Intelligence is determined primarily by how much money one's family has, and secondarily by how many books are in one's house during formative years.
O C. Intelligence is inherited in one's genetic makeup, and is only slightly affected by one's environment.
D. Because intelligence is fixed at birth, it is dangerous to try to hold unintelligent people to a high standard, as it will discourage them.