In the Case in the Text,Gamboa V

In the case in the text,Gamboa v.Alcarado,what was the rationale for the court's decision?

A) The contract was entered into as a result of undue influence.
B) There was a large disparity in bargaining power and the terms of the agreement the defendants were relying on were in fine print.
C) The defendants knew the plaintiffs did not read and write in English and took advantage of them when it required them to sign a contract written in English.
D) Defendants in such cases cannot be allowed to use the very illegality of their agreement as a way to avoid the consequences of their actions.