题目内容：
What is one of the precautions that Japan has taken?
A．[ A ] They make sure that they are asking flight passengers if they are sic B．[ B ] They are taking a temperature of every passenger when they get off the airplan
C．[ C ] They are screening passengers on flights from Mexic
D．[ D ] They are forbidding people travelling to Mexic
参考答案：
答案解析：