【正确答案】
A
【答案解析】[解析] 我的钥匙一分钟前还在这里,可是如今却消失了。句中vanish:消失。disappear:消失,如:The boy disappeared round the corner.男孩在拐弯处消失了。move:移动,如:Who has moved my book?谁动我的书了?appear:出现,如:The sun appeared on the horizon.太阳在地平线上出现。leave:离开,如:We leave tonight.我们今晚走。只有disappear意思上和vanish最接近。