问题详情

What did this study accomplish？
A．The study allows doctors to control the part of HIV that"s active in the body quite well.
B．The hidden pool of HIV is named as the reservior through this study.
C．The hidden pool of HIV is lowered modestly in the four patients.
D．The hidden pool of HIV could be reduced more than 80 percent.请帮忙给出正确答案和分析，谢谢！