callmesoli

我选了B，但是按照你的解释应该是选择D吧。
我觉得主要还是第一部分的问题，到底是premise，还是fact.
Overthe past several years, however,the advance of electronic media, particularly CDROMs, online computer services, and the Internet, has made information
available to the public electronically without the need for printed materials.
我觉得这句话应该讲述的是一个已经发生的事实。第一句话中的depends on 说明应该是premise.