Allison and Cate are close friends but they only see each other twice a year because they are busy with work and their families. Which unique characteristic of friendships does this exemplify?
A. Friends typically treat each other as equals.
B. Friends are relatively free to design relationships that suit their needs.
C. People can have as many friends as they want or have time for.
D. Friends often do not help one another adjust to new challenges.
