(单选题)
One of the important questions they had to consider was ______ of public health.
A.what
B.this
C.that
D.which
参考答案:C
参考解析:
考查代词。句意:他们必须考虑的一个重要问题是公共卫生。此处代词指代前面的单数可数名词question,后面有定语修饰,表示特指,用that。故选C。
知识点:
(单选题)
One of the important questions they had to consider was ______ of public health.
A.what
B.this
C.that
D.which
参考答案:C
参考解析:
考查代词。句意:他们必须考虑的一个重要问题是公共卫生。此处代词指代前面的单数可数名词question,后面有定语修饰,表示特指,用that。故选C。
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