______totheInternet,asmanyadolescentsdo,willtosomeexten...

问题详情：

______to the Internet ,as many adolescents do ,will to some extent have a negative effect on their mental and physical health .

   A. Having been addicted    B. being addicted  C. Addicted  D. To be addicted

【回答】

D

知识点：非谓语动词

题型：选择题