How to profit from biotechnology?Science and ethics should always go __
问题描述：
How to profit from biotechnology?Science and ethics should always go __
[A] face to face [B] step by step [C] hand in hand [D} case by case
And tell me why.Thank you.
答
原句的意思是：如何从生物中获取利润?科学和伦理应该——
A的意思是面对面交流,B是按步骤一步步来,C字面意思是手拉手,延伸为协同合作,D我不是很确定,但应该是通过案件.因此可以判断出是C