题目内容
（请给出正确答案）
[主观题]
One of the reasons why VCRs are so difficult to use is that ______.A．the desirers are ofte
One of the reasons why VCRs are so difficult to use is that ______.
A．the desirers 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 uses
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