题目内容
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If the business received calls of only two types on Saturday and if calls of one of the two types accounted for 25 percent of all the calls received on that day, which of the following could be the remaining type of call?
Indicate all such types of call.
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ABilling issues
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BNew subscriptions
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COther
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DService issues
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ESubscription cancellations
A,B,D显示答案
