________mostwolvesrelyontheirgroupsforfood,shelterandcompanionship,they

发布时间:2020-08-06 19:33:01

________ most wolves rely on their groups for food, shelter and panionship, they have developed a system of signals to keep the groups together.A.BecauseB.AlthoughC.UnlessD.Where

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A解析句意:由于大多数狼都靠它们的组群来获得食物、庇护所以及伙伴,因此它们有一整套的信号可以使得整个组群在一起。本题考查状语从句用法,根据上下句之间的逻辑关系,可知两句话之间存在逻辑上的因果关系,故A项正确。
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