Please help me understand this simple question but confusing answer--

In the Internet Age, a political candidate who buys advertising on a social network will get maximum name recognition.

The statement above logically conveys which of the following?

(A)

Social network advertising is the most important factor in political campaigns.
(B)

Maximum name recognition on a social networking website will help a candidate to win a higher percentage of votes cast.
(C)

Social network advertising reaches every demographically distinct sector of the voting population.
(D)

For maximum name recognition a candidate need not spend on media channels other than social network advertising.
(E)

A candidate's record of achievement will do little to affect his or her name recognition.

D