The Stanford Marshmallow experiment is a psychological experiment to __(31)__ children’s ability to control their impulses. The idea was to see __(32)__ the difference was between children who managed to control their impulses and those who could not. The results showed that those who succeeded in __(33)__ the immediate temptation to eat the marshmallow were able to perform better at exams and __(34)__ in other aspects of their lives than those who had grabbed the marshmallow directly. The researchers were also able to show that the impulsive group also seemed to suffer more __(35)__ stress and problems in relationship in later life.
【題組】34.
(A) being more stable
(B) be more stable
(C) was more stable
(D) were more stable