According to the author, what is the advantage of reading over real life?

A、Thereismorevarietyinbooksthaninreallife.;
B、Wecanexperiencevarietyinbooksthaninreallife.;
C、Thepeoplewemeetinabookaremoreinterestingthanrealpeople.;
D、It’shardertomakesenseofteallifethanabook.