题目内容
【题目】___________ the convenience of digital payment, many senior citizens started to use smart phones.
A. To enjoyB. EnjoyingC. To have enjoyedD. Enjoy
【答案】A
【解析】
考查非谓语动词。此处是不定式作目的状语。句意:为了享受数字支付的方便,很多老年市民开始使用智能手机。故选A。
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