问题
选择题
It’s hard for a woman to run after fashion as it _______ so quickly.
A．has changed
B．has been changing
C．was changed
D．is changed
答案
答案：B
考查时态.句意:由于变化是如此之快,对于一个女人来说,追求时尚太难了.结合语境下文下文从句描述的是从过去一直持续到现在的正在进行的动作,故用现在完成时态,选B.