If anyone ever rooms with Sanzo it 's usually either you or me , and the only reason Gojyo 's ever really done it before was when I was hurt bad and you needed to stay with me . " Hakkai 's smile never left his face but Goku could have sworn he was starting to look a little nervous .

Generate a question about the above context.
Why are the potential roommates of Sanzo being limited ?
Choose from:
[A]. Sanzo is not looking for a roommate .;
[B]. Sanzo is tough to room with .;
[C]. Sanzo is only looking to room alone .;
[D]. Sanzo is generally a nice person .;