---“Why couldn’t they meet us at five o’clock?”---“Because they were delayed by ______.”A.heavy trafficB.heavy trafficsC.crowded trafficD.crowded traffics
网友回答
A解析首先要明确traffic为不可数名词,没有复数形式,故排除B和D。另外,汉语习惯说“交通拥挤”,而英语习惯上却不能用crowded 来修饰 traffic,要表示汉语的“交通拥挤”,英语通常说heavy traffic,即选A。