A) 1947
B) 1973
C) 1956
D) 1965
🧠 Explanation:
Pakistan became an Islamic Republic on 23 March 1956 after adopting its first constitution, establishing sovereignty and Islam as the state religion. “Became” is a past tense verb, and “Islamic Republic” is a noun phrase indicating political status. Alternatives include “constitutional republic.” Hence, the correct answer is 1956.
