47. Which of the following topics is not dealt with in the passage?
(A) 丁he causes of dementia.
(B) The symptoms of dementia.
(C) The ways to diagnose dementia.
(D) The methods to prevent dementia.
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統計: A(14), B(22), C(122), D(16), E(0) #706232
統計: A(14), B(22), C(122), D(16), E(0) #706232