The complex fraction, [(x/6) / (x^2/3 + x^2/4)] /(7x^3/2x^2), can be simplified to:

A) x/42
B) (x^2/6) / (x^2/7)
C) (x^2/6) / (x^2/7x^3/2)
D) (x^2/6) / (x^2/7x^3/2x^2)