A recent survey regarding the use of the Internet by the nation’s top business leaders found that nearly ninety-five percent of them are subscribed to business-related RSS feeds, almost the same as the number of those who have subscriptions to The Wall Street Journal.
B: similar to the number who subscribe to
C: equivalent to those who have subscriptions for
D: as much as the number of those who subscribe to
E: as much as are subscribed to
in this comparison, the first phrase has are subscribed to
. So to make || with it we need to have are subscribed to.
Only E has that. Again we are comparing non countable noun(%of something)so we are using as much as
A- the same as the number of those is wordier.
B as we are comparing the % of people, it cannot be similar
C same for equivalent to. numbers cannot be equivalent. either same or not.
D has tense issue hence not ||