Sarah Was an Orphan

Sarah was an orphan.Her uncle Rocco agreed to act as her guardian until she became an adult.In that role,he borrowed money to pay for her education.She promised to repay him when she became an adult.Sarah later became an adult and married Stepan.Stepan also promised to repay Rocco for the money that he had spent on Sarah's education.Sarah and Stepan,however,now refuse to pay the money.Rocco has sued Stepan on his promise.Which of the following statements is most likely TRUE?

A) Sarah and Stepan and jointly and severally liable to Rocco.
B) Stepan has privity to the contract that was created between Sarah and Rocco.
C) Stepan is liable to Rocco.
D) Sarah became liable to Rocco only after Stepan made his promise to Rocco.
E) Stepan's promise to Rocco involves the concept of past consideration and is likely enforceable.