According to E

According to E. T. Hall, who coined the term proxemic bubble to refer to our personal, three-dimensional space,

A) we feel threatened when people we do not know enter our proxemic bubble.
B) the proxemic bubble is largely the same size, regardless of culture.
C) most people consciously use their proxemic bubble, especially when interacting with enemies.
D) positive emotions tend to cause the proxemic bubble to get larger, excluding more people.