3. A study shows that the chance of an accident is much higher for drivers who are ______ in phone conversations while driving.
(A) contained
(B) engaged
(C) included
(D) located
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統計: A(29), B(262), C(43), D(16), E(0) #2160116
統計: A(29), B(262), C(43), D(16), E(0) #2160116