单选题 We're happy to report that business is booming this year.
【正确答案】 B
【答案解析】[解析] 划线词为形容词,意思是“兴旺的,繁荣的”,与B项successful(成功的,圆满的)意思相近,又如:He is a successful character actor.他是一个成功的性格演员。A项意为“冒险的”,例:It is a risky undertaking.那是一桩冒险的事情。C项意为“失败的,衰退的”,例:His eyesight is failing.他的视力渐渐衰退了。D项意为“开放的”,例:Is the museum open on Sundays?博物馆每星期天都开放吗?