题目

下列哪项不是造成野生动物绝种的原因（    ） A、乱捕滥杀  B、植被破坏  C、自然衰老  D、环境污染 答案：CThe door is not ________ for the elephant to pass. [     ]A. wide enoughB. widely enoughC. enough wideD. enough widely