A:3.5,2
B:3.5,3
C:4,3
D:3.5,4
—Excuse me, sir, visiting hours are over. You leave.
—Pardon me, nurse. I didn't hear the bell.
隋唐时期是中国封建社会的鼎盛时期。结合所学知识,回答下列问题:
我国热带雨林保存最完整的地方位于( )