PREP上一题，求个讨论链接

qiuhua01234567

For the past several years, a certain technology has been widely used to transmit data among networked computers.Recently two data transmission companies, Aptron and Gammatech, have each developed separate systems that allow network data transmission at rates ten times faster than the current technology allows.Although the systems are similarly priced and are equally easy to use,Aptron's product is likely to dominate the market, because __________.



(A) Gammatech has been in the business of designing data transmission systems for several years more than Aptron has

(B) the number of small businesses that need computer networking systems is likely to double over the next few years

(C) it is much more likely that Gammatech's system will be expandable to meet future needs

(D) unlike many data transmission companies, Aptron and Gammatech develop computers in addition to data transmission systems

(E) it is easier for users of the current data transmission technology to switch to Aptron's product than to Gammatech's
我想知道哪有讨论链接的？我纠结在C和E

qiuhua01234567

自己顶。。。。。10.1没人学习嘛？

qiuhua01234567

总不要我一小时顶一下吧

qiuhua01234567

我又要自己顶了，伤不起