What could you personally do to become more sympathetic and understanding of the suffering of others?

Put Yourself In Their Shoes

Showing empathy in a relationship can tighten you and your partner's bond. That's why one of the best ways to be more empathetic is by simply imagining yourself in their position. "People who lack empathy tend to also lack an understanding of how they themselves feel in varying situations

Explanation:

Correct

A) formal

Explanation:

In letter writing, there are various ways in which the writer would be able to pass across his or her message to the receiver. this is dependent to the relationship between the writer and the receiver of the letter.

When the relationship is that of a friend, informal approach is used. Otherwise, formal approach would be adopted. Yours truly is an example of a formal complimentary close in a letter.