【題目】_________ we don’t stop climate change, many animals and plants in the world will be gone.

A. Although B. While C. If D. Until

【答案】C

【解析】考查狀語從句。句意：如果我們不阻止氣候變化，那么世界上的很多動植物都將會消失。動植物不滅絕的前提條件是阻止氣候變化。although盡管；while當(dāng)……時(shí)候，盡管，然而；if如果；until直到。故C選項(xiàng)正確。

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