Thanks to the ubiquity of text on the Internet, not to mention the popularity of text- messaging on cell phones, we may well be reading more today than we did in the 1970s or 1980s.
A.
We are reading more books today than in the 1970s or 1980s because of the popularity of the Internet and cell phones.
B.
We can do more reading today than in the 1970s or 1980s because of the prevalence of the Internet rather than the popularity of text-messaging on cell phones.
C.
We are likely to be reading more today than in the 1970s or 1980s because of a sea of online text and the popular text-messaging function on cell phones.
D.
We can do better reading today than in the 1970s or 1980s, not only because of text-messaging on cell phones has gained popularity, but because text exists everywhere on the Internet.