Which member of Ashra Mubashara was given the title of Amin-ul-Ummat...? Mcqs

Which member of Ashra Mubashara was given the title of Amin-ul-Ummat...?

(A) Hazrat Abu-Ubaidah Bin Al-Jirrah(RA)

(B) Hazrat Saad Bin Abi Waqas(RA)

(C) Hazrat Abdur Rehman Bin Auf(RA)

(D) HAzrat Saeed Bin Zaid(RA)