I believe the correct answer is A. by describing how people attempt to hide their pain by pretending to be happy.
The poet's characters have to put on a mask to deceive others about how they truly feel - in their everyday lives, they have to appear happy and as if nothing is wrong, when in fact they feel miserable. They have to pretend they are something they are not, which is why their mask is constantly on when they are surrounded by other people.
The answer is true, it only moves in one direction. Linear models typically don’t consider any feedback that the recipient may send back to the sender.
Yo so like what am i answering