38.Which of the following expressions does not refer to a similar phenomenon as the others?
(A) Insomnia
(B) Sleeping late
(C) Sleep disorder
(D) Having difficulty sleeping
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統計: A(7), B(76), C(12), D(7), E(0) #1835880
統計: A(7), B(76), C(12), D(7), E(0) #1835880