In the depression distal and inferior to the medial malleolus, between the navicular tuberosity and the tip of the medial malleolus, which structure is associated with the superficial peroneal nerve?

A) 0.2-0.3 cun
B) 0.3-0.4 cun
C) 0.4-0.5 cun
D) 0.5-0.6 cun