托福考试

【单选题】Hot springs are one of the most characteristic features of areas of recent volcanic activity, although----- in other areas less abundantly.
A、also to have occurred
B．their occurrence also
C．also occur
D．they do also occur

网考网参考答案：D
网考网解析：
分析：前半句完整，后句出现连词although. 根据黄金规则，后句必须有自己的主语、谓语。显然只有D主语谓语齐全。 翻译：温泉是近世火山活动区域的最典型特征之一，尽管其在其他地区也会少量出现。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>