I USE THE INTERNET ONLY A FEW HOURS A DAY _______ IT IS TIME-CONSU...

13. I use the internet only a few hours a day _______ it is time-consuming and costly.

A. so B. because of C. because D. even though

(14 – 16) Choose the underlined word or phrase (A, B, C or D) that needs correcting: (1.5 pts)