Two Uniform Discs,each with the Same Mass but with Radii

Multiple Choice

Two uniform discs,each with the same mass but with radii differing by a factor of two,roll without slipping down an inclined plane.If the two discs start from rest at the same height h,calculate the ratio of the angular velocity of the small disc divided by that of the larger disc.

A) 1
B) 0.5
C) 4
D) 2
E) 0.25