Answer:D.the lateral malleolus of the fibula.
Explanation:The ankle is the area/joint where the foot and the leg meet. The ankle consists of three joints which includes
(1) Talocrural joint,
(2) The subtalar joint,
(3) Inferior tibiofibular joint.
The main bones of the ankle region are the talus (in the foot), and the tibia and fibula (in the leg). The malleolus is the bony prominence on each side of the human ankle and the most prominent point of possible injuries or fracture when twisting takes place under great force.