Who was the Head of that board, which was established for the preparation of copies of Musaef Abi Bakr?

A. Hazrat Zaid bin Sabit (R.A)
B. Hazrat Usama bin Qais (R.A)
C. Hazrat Usman bin Maznoun (R.A)
D. Hazrat Muaz bin Jabel (R.A)