In Which of the Following Circumstances Would a Purchaser Be

In which of the following circumstances would a purchaser be not bound by the registered charge?

A) The charge is registered against Lizzy Jones even though this person's real name is Elizabeth Jones. The search is made against 'Elizabeth Jones'. This does not reveal the charge.
B) As before, the search is made against 'Elizabeth Jones' and the prospective purchaser provides the wrong postcode when making the search.
C) The charge is registered against Elizabeth Jones, but the purchaser only knows her as Lizzy Jones so makes the search against Lizzy Jones using the correct postcode.
D) As before, the charge is registered against Elizabeth Jones and this reveals the charge, but the purchaser does not read the result of the search.