.____ 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

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