Which of the following factors have contributed to the spread of HIV/AIDS and hepatitis C? #1. sharing of contaminated needles #2. drug-induced high-risk sexual practices #3. poor hygiene among restaurant workers #4. consistent and regular use of condoms during sex
A. factors 1 and 2 only
B. factors 3 and 4 only
C. factors 1, 2, and 3 only
D. factors 1, 2, 3, and 4