Each person has a “bubble” of space (territory). Studies show that people from ________, ________, ________have a smaller personal territory than do people from ________, ________, _________.
选项：

A: South America, Arab countries, and many Asian countries; North America, Britain, Germany
B: North America, Britain, Germany; South America, Arab countries, and many Asian countries
C: South America, Britain, Germany; North America, Arab countries, and many Asian countries.
D: North America, Arab countries, and many Asian countries; South America, Britain, Germany