How can one feel free and important in his work?
选项：

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.