Tom Enters Kathy's Home Through an Unlatched Window Intending to Steal

Tom enters Kathy's home through an unlatched window intending to steal a painting that she has in her bedroom.When he gets to her bedroom door,he learns that Kathy is still awake and isn't alone and leaves the house.Which of the following is true of this situation?

A) Tom is guilty of conspiracy.
B) Tom is guilty of robbery.
C) Tom is guilty of burglary.
D) Tom is guilty of nothing as he did not steal anything from the house.
E) Tom is guilty of theft by deception.