When individuals pick up and carry an object from one position to another while walking, their handpath trajectories tend to be

A) Simple in extrinsic, spatial coordinates but complex in intrinsic, joint-based coordinates
B) Simple in intrinsic, joint-based spatial coordinates but complex in extrinsic, spatial coordinates.
C) Simple in extrinsic, joint-based coordinates but complex in intrinsic, spatial coordinates.
D) Simple in intrinsic, spatial coordinates but complex in extrinsic, joint-based coordinates.