A typical example of a bilingual community is an ethnic ______ w

A typical example of a bilingual community is an ethnic ______ where most，if not all，of its inhabitants are either immigrants or children of immigrants.
A、diglossia
B、version
C、domains
D、ghetto
【正确答案】：D
【题目解析】：A typical example of a bilingual community is an ethnic ghetto where most，if not all，of its inhabitants are either immigrants or children of immigrants.