Ash Is Moving from Canada to the UK,but Before He

Ash is moving from Canada to the UK,but before he goes he wants to buy his sister,Sasha,a ring.He finds a custom jeweler,but the ring will not be ready until after he leaves and he's worried that something might happen with the jeweler.Ash should

A) assign the collection of the ring to his sister.
B) have the ring delivered to his sister's address.
C) buy the ring in trust for his sister.
D) create a contract with his sister promising the delivery of the ring.
E) ensure that the sales contract has a Himalaya clause to protect him from liability.