Just as the value of a telephone network increases with each new phone ______ to the system, so does the value of a computer sys

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问题 Just as the value of a telephone network increases with each new phone ______ to the system, so does the value of a computer system increase with each program that turns out.

选项 A、adding
B、to have added
C、to add
D、added

答案D

解析 本题考查介词with的用法。从结构上看,本句前后两个分句都带有一个with介词短语。而介词宾语后边又分别有一个后置的定语。"with+名词/代词+分词"为一常用结构,each new phone与odd是动宾关系。
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