In Disneyland, every year, much of the grass is replaced because Disney refuses to ________ signs asking his visitors not to step on them．A.put onB.put upC.put downD.put out
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B解析句意：在迪斯尼，每年许多草地都要换新，这是因为迪斯尼拒绝张贴要求参观者别踩草地的牌示。put on穿上，上演；put up张贴；put down放下；put out熄灭。