41. What is the primary purpose of the article?
(A) To critique traditional healthcare models
(B) To introduce smart healthcare and discuss its applications and challenges
(C) To promote wearable devices for fitness tracking
(D) To highlight problems in hospital management
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統計: A(0), B(87), C(4), D(1), E(0) #3425886
統計: A(0), B(87), C(4), D(1), E(0) #3425886