The environmentalists said wild goats’ on the vast grasslands was a good indication of the better environment.
A. escape
B. absence
C. attendance
D. appearance
网友回答
A. escape
B. absence
C. attendance
(答案→)D. appearance
解析：
试题分析:考查名词辨析。A逃脱；B缺席；C出席；D出现。从句中“好的环境的迹象”判断，应该是野生动物出现了。故D选项正确。句意：环境保护者们说野山羊在广袤草原上的出现是环境好转的良好迹象。