An e-mail phone is an improved device of telecommunication in that ______. [br]

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问题 An e-mail phone is an improved device of telecommunication in that ______. [br] When an e-mail phone is being used to make phone calls, it ______.

选项 A、cannot receive new messages
B、send out a signal of new messages
C、cannot display e-mail messages
D、automatically checks new messages

答案 A

解析原文第三段最后一句说如果e-mail phone在查收电子邮件时占线，则会等通话结束后再自动查收，可以推知通话过程中不能接收新邮件，A与之相符。第三段第十句说明只要有未读邮件，电话的指示灯就会不断闪烁，故排除B；不能接收新邮件不说明不能查看已接收的邮件，故排除C；D与第三段最后一句不符。

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