.____ nearly all behavior is learned behavior is a basic assumption of social scientists.
问题描述：
.____ nearly all behavior is learned behavior is a basic assumption of social scientists.
a./ b ,that c,it is acceptable d.when
为什么选B,怎么翻译呀,题干怎么翻译
答
B
.【That】 nearly all behavior is learned behavior
that 引导主语从句,不可以省这句话怎么翻译That nearly all behavior is learned behavior is a basic assumption of social scientists.几乎所有的行为都是后天习得的，这个是社会科学家的一个基本假定A,C,D都是怎么错的，C是什么意思我都翻了， 我分析一下结构吧：That nearly all behavior is learned behavior（主语从句） is（系动词） a basic assumption of social scientists（表语）.