【单选题】Part A Directions: Read the following four texts. Answer the questions below each text by choosing A, B, C or D. (40 points) According to comScore, Facebook is the leading social networking site based...
A.
The number of visits to a certain website.
B.
The change of website rankings.
C.
The amount of profit a website able to generate annually.
D.
The trend in communication industry.