For best results, what should the masters of ceremonies be involved in?

__________ are used to explain complex material and to provide listeners with a permanent record of some aspect of your speech

Fill in the blank(s) with the appropriate word(s).

Talal, a Middle Eastern student, finds himself attracted to Guo Hongwu, a Chinese student in his economics class. After several conversations, he has found that despite their different cultural backgrounds, they have many of the same opinions and experiences in the United States. Talal and Hongwu's relationship illustrates the ________ principle for relationship formation.

A. heterosexual B. difference C. similarity D. physical attraction