Sean Is Walking Home from School One Day,notices a Loose

Sean is walking home from school one day,notices a loose brick in the neighbor's house,and removes it,luckily not causing the house to fall down.When he walks into his house,Sean's mother asks Sean,"What kind of property is that in your hand?" Which would be a correct response?

A) This is intangible property.
B) This is real property because it was part of the neighbor's house.
C) This is personal property because I found it myself.
D) This is personal property because it is not attached to land or to anything on land.
E) This is a fixture because it was personal property attached to real property.