问题
单项选择题
Scientific evidence from different disciplines demonstrates that in most humans the left hemisphere of the brain controls language.
A．groups of followers
B．years
C．countries
D．fields of study
答案
参考答案：D
解析：[分析]名词辨析。 disciplines 纪律，学科；A．groups of followers 追随者团体；B．years年龄，年代，C．countries 国家；D．fields of study研究领域，因此选项D为答案。