【单选题】Women account for almost half the workforce in western countries, and the lower ranks of many big companies reflect that ratio. But at the top of the corporate ladder it is a different story. For ever...
A.
women's barrier has been a hot topic.
B.
most men are afflicted with 'the glass ceiling'.
C.
people have long noticed the problem in women's promotion.
D.
women's and business groups have been striving for the promotion equality.