How can one feel free and important in his work?

A.One can feel free if he enjoys what he is doing and one can feel important if what he is doing is valued by society.

B.One can feel free if he enjoys what he is working and one can feel important if what he is doing is paid by society.

C.One can feel free if he enjoys what he is playing and one can feel important if what he is doing is compelled by society.

D.One can feel free if he is interested in what he is doing and one can feel important if what he is doing is valued by his boss.

正确答案：One can feel free if he enjoys what he is doing and one can feel important if what he is doing is valued by society.