3 An illegally parked vehicle ________ the normal flow of traffic for two hours this morning.
(A) flourished
(B) obstructed
(C) validated
(D) promoted
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統計: A(0), B(33), C(5), D(2), E(0) #2996065
統計: A(0), B(33), C(5), D(2), E(0) #2996065