31 The authorities said that dozens of people trapped on a scuba diving boat that caught fire off the Southern California coast appear to have died from smoke , not burns.
(A) discrimination
(B) orientation
(C) inhalation
(D) speculation
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統計: A(18), B(12), C(100), D(15), E(0) #2353451
統計: A(18), B(12), C(100), D(15), E(0) #2353451