If you are trapped in an elevator, ___ as much energy as you can and call 9-1-1 with your cell phone if you have service.
Aundo
Babandon
Cspare正確答案
Dpilfer
答案與詳解
為什麼答案是 C
spare 作為動詞有「節省、保留、吝惜」之意。spare energy 即為「節省體力」。受困時保存體力等待救援是正確求生觀念，完全符合語境與邏輯。
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