A father and his son entered a weekly newspaper competition. They had agreed to share the cost of entry, although the application was solely in the name of the father. One week they won first prize and were awarded £10, 000. The father received the money by way of a bank transfer to his own personal account. He is refusing to share the money with his son.Which of the following best reflects the options for the son?

A、 The son can start a claim against his father and should prove the arrangement was a joint enterprise
B、 The son should start a claim against his father because it is clear the father breached his promise
C、 The son cannot claim against his father because the application was in the father's name
D、 The son cannot claim against his father because the bank transfer was made to the father's personal account
E、 The son would be unwise to claim against his father because this was a domestic arrangement