Which detail from the text best supports the idea that self-control is difficult for Yen?

A.
"Grabbing the end of the string of cash, he pulled from there three coins, and with a hop and a jump was out in the street again."
B.
"Quick as his chubby legs could carry him, Yen ran back to the cottage."
C.
"Some pretty stones which he had found heaped up in a corner of the green were affording him great delight and joy…",
D.
... "his eyes fell on a spinning top which his mother had given him that morning."