The cephalocaudal trend can be described as of motor development.

a. torso-to-extremities
b. head-to-foot
c. center-to-outward
d. foot-to-head

Option C

Explanation: Cephalocaudal trend refers to the pattern of changing spatial proportions over time during growth, if we particularly talk about motor development, the proximodistal trend refers to the development of motor skills from the center of the body outwards.

So the correct option is C:

the cephalocaudal trend can be described as the center-to-outward direction of motor development.