Which of the following correctly orders the kinds of crust from youngest average age to oldest average age?
A. continental crust, oceanic crust near a trench, oceanic crust near a mid-ocean ridge
B. oceanic crust near a trench, oceanic crust near a mid-ocean ridge, continental crust
C. oceanic crust near a mid-ocean ridge, oceanic crust near a trench, continental crust
D. continental crust, oceanic crust near a mid-ocean ridge, oceanic crust near a trench