The ability to communicate ideas and instructions was all necessary for the deve

游客2023-12-30 42

问题 The ability to communicate ideas and instructions was all necessary for the development of the frontal brain lobe in human beings.

选项 A、all that was necessary
B、necessary all that
C、all necessary that
D、that all was necessary

答案 A

解析句意：表达想法和指示的能力是人类脑部额叶发展所必需的。was后面为表语从句，且从句中缺少主语，an that相当于what，用在此处既符合语法规范，又符合句意。所以答案为A。

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