What can we learn from Connors’ words: “We may have only half the picture here.” in paragraph 5? A: The fact that people with AIDS have the unique molecule is the key. B: We should find another gene which can resist viral replication. C: We should compare the HIV virus in people who developed AIDS with the virus in those who didn’t. D: There is a second factor involved working with HLA B*5701 to resist viral replication.