(A) Sindhi
(B) Punjabi
(C) Pushto
(D) Balochi
🧠 Explanation:
Khushal Khan Khattak was a renowned poet of the **Pashto** language. He is considered one of the greatest classical Pashto poets and a prominent figure in Pashtun literature. His poetry reflects themes of bravery, honor, and the cultural values of the Pashtun people. Khushal Khan Khattak's work has had a lasting impact on Pashto literature and continues to be celebrated for its depth, wisdom, and patriotism. Understanding his contributions helps appreciate the rich literary heritage of the Pashto-speaking community.