Adrian and Darah Entered into a Contract

Adrian and Darah entered into a contract. After the agreement was partially performed, Adrian successfully claimed that the contract is voidable. Which of the following statements may be TRUE?

A) Adrian, who is an Aboriginal living on reserve land, had created a contract to sell that land to Darah.
B) Adrian, who is 17 years old, created a contract to obtain life- saving medical services from Darah.
C) Adrian, who is 17 years old, had created a contract to purchase a set of computer games from Darah.
D) Adrian, who has been declared mentally incompetent by a judge, created a contract to purchase food and shelter from Darah.
E) Adrian, who is an Aboriginal living in Toronto, created a contract to purchase recreational sporting goods from Darah.