"So the authors concern is to describe this (in simpler words)the other choices are not appropriate as they are either not relevant or tangential to the topic.1-C since he hints that these 2 companies are doing pre-paid and other policies which can control costs (the following sentence talks about high spending and of public/private $$) rohitgoel15 Senior Manager Joined: 07 Nov 2009 Posts: 313 Foll" . . . .