Look at the four squares,A ,B, C, and D, which indicate where the following sentence could

be added to the passage. Where would the sentence best fit？

Men who had had good relationships with both of their parents in childhood were better adjusted at midlife than were other men in the study.

Studies suggest that family background and early-adulthood resources are predictors of psychological health or success at midlife. People who age well are those who start out well. A One study showed that the happiest and most successful middle-aged adults had grown up in warm, supportive, intellectually stimulating families.B Well-adjusted or successful middle aged adults began adulthood with more personal resources, including better psychological and physical health at college age.C They also had been practical and well organized in college and had shown greater intellectual competence.D

A．Square Ａ.

B．Square Ｂ.

C．Square Ｃ.

D．Square Ｄ.