Which of the following is true regarding emotional regulation abilities:
a) Preschoolers who shift their attention away from a frustrating situation are less aggressive and disruptive when they enter school.
b) Preschoolers who dwell on frustrating situations tend to be less aggressive and disruptive when they enter school.
c) Preschoolers who express their frustration openly tend to be more aggressive and disruptive when they enter school.
d) Preschoolers who ignore frustrating situations altogether tend to be more aggressive and disruptive when they enter school.