Which of the following can best explain AIDS tests the institutions upon which our society rests according to the passage
A.AIDS is a sign of moral failure and social collapse.
B.AIDS indicates that our social systems have been very inefficient.
C.The responses of a society to the threat of AIDS determines whether and to what extent the society can be called civilized.
D.The spreading of the fatal disease suggests that the nation’’ s resources have been wrongly used.