A. Common Test Bank Levels
B. Comprehensive Test Bank for Technology
C. None of Above
D. Comprehensive Test Ban Treaty
🧠 Explanation:
CTBT stands for Comprehensive Test Ban Treaty, an international agreement to ban nuclear weapons testing. For international relations or security students, the CTBT’s role highlights global efforts for nuclear disarmament, making it a key topic for studying arms control, global security, and diplomatic initiatives.
