参考答案

正确答案：C
解析：neglect忽视：They neglected his warning．他们忽视了他的警告。omit删除：Minor points may beomitted．次要点可以删去。miss指fail to catch，hit，find，meet，touch，hear，see etc．(something orsomeone)：The falling rock just missed my head．下落的石头险些击中我的头。discard丢弃：dis-card an old pair of shoes丢弃一双旧鞋子。