The patient is afflictedcough.
A. from
B. by
C. in
D. with​

by

hope it helps you

in my opinion its by

hope it helps ..

answer: synonym

explanation: a merciful person is never tired showing mercy.

it can be both; depending on the situation at hand.

explanation:

let's just say i get in to a confrontation with someone, and they say "ur mom", it could be seen as an insult. or depending on the relationship or comfortability with the person it may be seen as a joke. the distinct line is how the chemistry behind the confrontation.