单项选择题
A．one always knows what his muscles are doing B．one performs simple actions without working C．one's muscles are used only to the extent necessary for each action they perform D．one improves muscular action consciously
A．Her parents were not as loving as the Whites. B．Hers were very strict parents while the Whites were too kind. C．When something went wrong the Whites didn' t blame their children for it. D．When aomething had happened, her parents wanted the children to learn a lesson.
A．Amy was badly injured herself and they didn't want to add to her pain B．they didn't want Amy to live with a guilty feeling the rest of her life C．Amy was their youngest daughter and they loved her best D．they didn't want to blame their children before an outsider