What was the immediate consequence of the sacking of Rome?

What was the immediate consequence of the sacking of Rome?
A、Rome became the capital of the Western Roman Empire.
B、The city experienced a period of economic prosperity.
C、It marked the beginning of the Middle Ages in Europe.
D、Rome was abandoned and left uninhabited for several centuries.
【正确答案】：C
【题目解析】：It marked the beginning of the Middle Ages in Europe.