Astudentofthe20thcenturyisfacedwithanewsituation

A student of the 20th century is faced with a new situation because_______．

A．he has to learn entirely on his own

B．he can never be a master now

C．science grows very fast

D．he is changing all the time

正确答案：C
根据文章第一段最后一句话可知答案应是C项