[A]. the tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating
[B]. the crests between the tread grooves absorb road noise
[C]. in wet conditions, the tread grooves expel water that is drawn between the tyre and road surface
[D]. the tread pattern protects the tyre’s inner carcass from small stones and pieces of glass
✅ The correct answer is option C.