Which of the Following Statements About Infection by HIV, the Virus

Which of the following statements about infection by HIV, the virus that causes AIDS, is false?

A) Most AIDS victims go through a period of up to 15 years between infection and the onset of AIDS symptoms.
B) In the early part of the infection, killer T lymphocytes destroy helper T lymphocytes infected by the virus.
C) The antigens on the protein coat of the HIV remain the same through time.
D) The victim's immune system eventually collapses, and normally harmless infections cause death.