单选题 The boys broke into excited cheering.
【正确答案】 A
【答案解析】[解析] 题意:男孩子们突然进发出兴奋的欢呼声。
划线词意为“突然发生;突然传出”。
A项意为“突然…起来”,例:At the bare thought of her lost baby, she would burst into tears.一想起失去的孩子,她就会泪流满面。
B项意为“爆炸”,例:Rock music blasted full from the parlor.摇滚乐声震屋宇,从客厅传来。
C项意为“燃烧”。例:Paper burns easily.纸容易着火。
D项意为“熊熊燃烧”,例:Lights were blazing in every room.每个房间都灯火通明。故选A。