Alejandro Was New in Town and Was Considering Buying Helen's

Alejandro was new in town and was considering buying Helen's house.Helen knew the basement flooded when it rained heavily,but she did not tell Alejandro this and he did not think to ask.Alejandro bought the house,but after the first heavy rainstorm he attempted to rescind the contract because Helen had not explicitly pointed out the problem with the basement.What will the likely outcome be?

A) Alejandro will definitely be successful because Helen had a duty to report this major defect about the house.
B) Alejandro will probably be successful because there was a relationship of trust between himself and Helen.
C) Alejandro will definitely succeed because he bought the house under duress.
D) Alejandro will probably not be successful;this is something he could have reasonably been expected to notice himself.