问题
单项选择题
A certain truck manufacturer must have sales of $4.5 billion to break even this year. If the manufacturer had sales of $ 1.9 billion for the first half of the year, then, to break even for the year, its sales for the second half must be approximately what percent higher than its sales for the first half ？（）
A．11%
B．16%
C．27%
D．37%
E．58%
答案
参考答案：D
解析：
根据题意可得他在下半年的销售额应为45-19=26亿美元，所以比上半年高出的百分比为37%。