How does drinking alcohol or using drugs put a person at risk for HIV infection?
A. They impair judgment, which makes it more likely for people to engage in risky behavior.
B. They impair judgment, which makes it less likely for people to engage in risky behavior.
C. They improve judgment, which makes it more likely for people to engage in risky behavior.
D. They improve judgment, which makes it less likely for people to engage in risky behavior.