题目内容：
Thewriter'sreasonsforchoosinggendershowthat__
A．itisnaturalforpeopletoobjectevenifitisbetterthanotherreproductivetechnologies B．itiseasyforpeopletopracticesexselectionwithnosurgeryandaphysicianinvolved
C．vaccinesorhearttransplantswhichoncehorrifiedpeoplearenowcompletelyacceptable
D．evenpoorpeoplemayacceptitbecausetheywillhaveclevererchildrenthroughtheprocessofsexselection
参考答案：
答案解析：