Some Empirical Studies Have Shown That in Countries with High

Some empirical studies have shown that in countries with high Internet usage people tend to live longer.From this evidence which of the following can be concluded?

A) Internet usage has nothing to do with life expectancy.
B) The fact that people live longer means they have more time to use the Internet,which explains the higher Internet-usage rates.
C) There could be a spurious relationship between the two variables.
D) There is a causal connection between Internet usage and life expectancy.
E) Using the Internet makes people live longer.