问题详情

Itcanbeinferredfromthepassagethattheauthor
A．doesn"tthinkitlikelytodevelopablastocysttoababy
B．isanopponentoftherapeuticcloning
C．thinksitnecessarytouselawtocontrolcloning
D．isaproponentofproductivecloning
请帮忙给出正确答案和分析，谢谢！