Correct Answer: C
Explanation:
The author is not stating that given enough money, scientists can discover a cure for AIDS, or that even without large funds, a cure could not be discovered accidently. What he is trying to say is that the probability that a cure for AIDS will be discovered varies according to the funds available. Choice E in incorrect because at the beginning of the passage he mentions that grants could come from the public center, and therefore it would be unfair to blame a few wealthy individuals.