单项选择题
A．many animals die during hibernation B．hibernation protects animals during the wintertime C．scientists feel puzzled about hibernation D．some bats hibernate and others do not
A. Maybe I should call a taxi B. can you help me C. it’s the second left D. not really E. at the traffic lights F. Not at all G. Museum Drive H. Thanks again
A．alike B．different C．big D．closed