Blog, a shared online journal where people can post diary entries about their personal experience and hobbies, ______ more and more popular with people of all ages.
【正确答案】
D
【答案解析】 本句的主干是Blog ______ more and more popular,即“博客越来越受欢迎”,a shared online...experience and hobbies是主语Blog的同位语。本句叙述的是Blog现在的发展状态,所以用现在进行时态,且be动词用单数形式。故选D。