Khulafa’ul-Rashidun are in number.
The correct answer is: D
Explanation
The Khulafa'ul-Rashidun, the Rightly-Guided Caliphs, are four in number: Abu Bakr, Umar, Uthman, and Ali.
Khulafa’ul-Rashidun are in number.
The Khulafa'ul-Rashidun, the Rightly-Guided Caliphs, are four in number: Abu Bakr, Umar, Uthman, and Ali.