Correct Answer:
A. Hissein Brahim Taha
The Secretary General of the Organization of Islamic Cooperation (OIC) in 2025 is Hissein Brahim Taha. He assumed office on November 17, 2021, for a five-year term, which extends through 2025.
- Ahmed Aboul Gheit is the current Secretary-General of the Arab League.
- Moussa Faki is the Chairperson of the African Union Commission.
- Abdullah Zayed is not the Secretary-General of the OIC or another major international organization in this context.