Jasmine Enters into a Contract to Provide Limousine Services to Erin.Later,Jasmine

Jasmine enters into a contract to provide limousine services to Erin.Later,Jasmine tells Erin that she was acting as an agent on behalf of Big White Limousine Services Ltd.Which of the following is TRUE?

A) Erin can enforce the contract against Jasmine alone.
B) Erin can enforce the contract against Big White alone.
C) Erin can enforce the contract against Jasmine or Big White,whichever she chooses.
D) Erin cannot enforce the contract.
E) Jasmine has the option not to perform the contract.