A) Tirich Mir — the mountain pass between Chitral and Upper Dir
B) Tirich Mir — the crossing between the Kaghan Valley and Chilas area
C) Tirich Mir — the mountain pass linking the Chitral and Ghizer regions
D) Tirich Mir — the highest mountain of the Hindu Kush, near Chitral
Answer: D
Explanation: Tirich Mir: the highest mountain of the Hindu Kush, near Chitral.