问题详情

What will the future study in this respect be like according to Doctor David Ho？
A．More patients will be studied to see if the observation of the study could be confirmed
B．The scientists will not be so careful or cautious in carrying out such research.
C．All the studies will reach 50 or 100 patients before we know more about this particular technique.
D．The scientists will experiment on other particular techniques other than the one used in this study.请帮忙给出正确答案和分析，谢谢！