The Ability to Delay Gratification of Impulses Varies from Toddler

The ability to delay gratification of impulses varies from toddler to toddler. Which of the following is associated with differences in the ease or difficulty children have in controlling their impulses?

A) Children who are more active and aggressive have better control of their impulses.
B) Children who have a secure attachment with their caregiver are better able to regulate their impulses.
C) Toddlers who can tell time are better able to control their impulses.
D) Children who are indifferent to the distress of others are better able to control their impulses.