[Zaltar Zeb] Zeb Suffers from Delusions That He Is from the Planet

[Zaltar Zeb] Zeb suffers from delusions that he is from the planet Zaltar. Zeb's contract with DigiTV, his digital television service provider, has expired. After comparing his past payments to the potential savings from satellite television provider SatTV, Zeb decides to sign a two-year contract with SatTV. After six months with SatTV, Zeb realizes he paid less with DigiTV and he now wants to be released from his contract with SatTV.
-Under which of the following scenarios might Zeb's contract with SatTV be voidable?

A) If Zeb provides a spreadsheet of his payments with DigiTV.
B) Zeb's contract with SatTV is voidable because it is a contract with a mentally incapacitated person.
C) If Zeb's delusions persuaded him to sign the contract with SatTV so he could contact the planet Zaltar and return home.
D) If Zeb shows that he no longer believes he is from the planet Zaltar.
E) If Zeb shows that he miscalculated his savings with SatTV.