Dai people mainly lived in ___________ of Yunnan Province.
A、Xishuangbanna Autonomous Prefecture, Dehong Dai-Jinpo Autonomous Prefecture, Gengma, Menglian and Xinping Counties
B、Gengma, Menglian and Xinping Counties
C、Xishuangbanna Autonomous Prefecture
D、Dehong Dai-Jinpo Autonous Prefecture