四六级考试

【单选题】 One of the reasons why VCRs are so difficult to use is that ______.
A．the designers are often insensitive to the operational complexities of their machines
B．the range of features provided is unlimited
C．there is no ideal way of controlling quality
D．Their designers often ignore the complaints of their users

网考网参考答案：A
网考网解析：
从文中作者给的原因可以看出，设计者是精于设计、使用机器的，他们关注的是增加功能，而忽视了对那些对机器不熟悉的普通人而言，机器过于复杂了。所以，该题答案为A。 查看试题解析出处>>