问题
单项选择题
On the whole, this passage is positioned to dwell on ______.
A．the overall picture of the HDTV sector
B．how the giant TV makers should offer better products
C．a lament over consumers' inability to use a high-end TV set
D．a criticism of the TV makers for doing nothing about a big problem
答案
参考答案：A
解析：[分析] 态度题型。 文中没有涉及B项内容，C和D项带有感情色彩，作者只是客观地描述 HDTV的情况，因此A项是最佳答案。