(A) 1980
(B) 1975
(C) 1985
(D) 1979
🧠 Explanation:
- Pakistan was a founding member of CENTO (Central Treaty Organization), established to counter Soviet influence.
- Due to changing geopolitical dynamics and the organization's declining relevance, Pakistan withdrew from CENTO.
- Pakistan officially left CENTO in 1979, the same year the organization effectively became inactive.
- This decision aligned with Pakistan’s shifting foreign policy and regional priorities during that period.