the question and the picture I guess idk be more specific with this question
I believe it's because the narrator was embarrassed that Doodle ,his brother had a disability.
It leads to the suicides of romeo and Juliet
Sir Toby and Maria write a letter to Malvolio because D) they want to play a prank on him and humble him.
They pretend the letter is from Olivia, the woman he loves.