When the author first heard the "rapping at his chamber door," in â€œThe Ravenâ€, who did he think was outside?

When the author first heard the "rapping at his chamber door," in â�

1.	When the author first heard the "rapping at his chamber door," in â€œThe Ravenâ€, who did he think was outside?
A.	his neighbour
B.	the raven
C.	pluto
D.	some late night visitor
Answer» E.