Which Statement Is the BEST Example of Centration

Multiple Choice

Which statement is the BEST example of centration?

A) Bill thinks a big empty box is heavier than a small box full of rocks.
B) Fiona gives her newborn brother her favourite doll when he is crying.
C) Bryson yells to his father from another room, "See, Daddy, I did it!"
D) Marla pretends to have a sword fight using a stick as a sword.