The nature of each one's relationship to Sally is what sociologists call tie.
Option: C
Explanation:
In sociology interpersonal relations are characterized as interactions between people that carry knowledge. An interpersonal bond effectiveness is a linear combination of time, emotional content, familiarity or mutual trust, and the reciprocal services that define each relationship.
Strong ties are associations with at least three link sources between you and your partner that stretch over several decades and several common interests. Weak tie concept is the proposition that friends, particularly in social networking sites, are prone to be more dominant than close people.
