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A is corrent. A fixture is an item that was originally personal property but has been affixed to real property in a relatively permanent fashion such that it is considered to be part of the real property. It is generally held that an item has become a fixture if removal of the item would cause material harm to real property.
B is incorrect. A fixture is an item that was originally personal property but has been affixed to real property in a relatively permanent fashion such that it is considered to be part of the real property. It is generally held that an item has become a fixture if removal of the item would cause material harm to real property. 
B is incorrect. A fixture is an item that was originally personal property but has been affixed to real property in a relatively permanent fashion such that it is considered to be part of the real property. It is generally held that an item has become a fixture if removal of the item would cause material harm to real property. 
D is incorrect. A fixture is an item that was originally personal property but has been affixed to real property in a relatively permanent fashion such that it is considered to be part of the real property. It is generally held that an item has become a fixture if removal of the item would cause material harm to real property.