Who is called as 'Alexander of Muslim World'...? Mcqs

Who is called as 'Alexander of Muslim World'...?

(A) Khalid bin Waledd(R.A)

(B) Uqba Bin Nafah (R.A)

(C) Saad bin Abi Waqas (R.A)

(D) Amir bin Al Ass (R.A)