[单选题]4.4 It may be inferred from this passage that_______.(2分)
Amany of the opponents of seat belt installation are parents and officials of the Department of Transportation
Bproposal of seat belts on school buses would be seriously considered
Can alternate safety device (raising seat backs four inches) may be taken into consideration
DThe Department of Transportation may either take the idea of seat belts or other measures when it reviews the whole situation
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