C - sat in the back
They didn’t ask for the sentence right?
If they didn’t ask, then it’s still C.
Answer:
He's reading to try to distract himself from the grief of losing a "rare and radiant maiden" named Lenore. ... Perhaps the gentle knocking on the door causes him to hope that it's Lenore, and he has to tell himself otherwise in order to quell the likely disappointment that reality will bring him.
An implicit function is a function that is defined implicitly by an implicit equation, by associating one of the variables (the value) with the others (the arguments).