题目

How did it ______ that the young guy fell off the bridge into the river? A. come out                B. come about       C. come across       D. come up 答案：B 解析: 略下列字形完全正确的一项是 [     ]A．改斜归正　多姿多彩　随机应变　患得患失B．绝处缝生　阴晴园缺　各具风韵　多愁善感C．海天相吻　天灾人祸　获益非浅　异国他乡D．漫不经心　问心无愧　专心致志　心旷神怡