It is said that children who learn to use their body, mind and emotions for their own well-being, work ______ the well being of others.

Options

A. within
B. into
C. forwards
D. towards

Explanation

within-inside (something). forwards-in the direction that one is facing or travelling towards-expressing the relation between behaviour or an attitude and the person or thing at which it is directed or with which it is concerned. According to the context of the sentence option (d) is the correct answer.