We began to move restlessly about if we feel time is slipping away without some return — be this in terms of pleasure , work value or rest.
A....this is only true with pleasure, work・ or rest. B....this helps us to understand pleasure,work,or rest. C....we behave in this way when we play, work, or rest. D....we use these terms except when we play, work，or rest.正确答案C
