Sibling relationships are most significant _______

Mothers are more likely than fathers

A) to feel ambivalent toward adult offspring with problematic lives. B) to have adult children who feel ambivalent toward them. C) express annoyance when adult children help unnecessarily. D) receive and provide financial and practical assistance from adult children.

According to a study cited in the text, about of university students in the U.S., England, and Australia reported that they would not marry a person without being in love; in cultures where arranged marriages are practiced, this percentage was

a. 80%; 40% b. 95%; 25% c. 90%; 90% d. 50%; 50%