Among all the changes resulting from the （）entry of women into the work force, the transformation that has occurred in the women themselves is not the least important.

A．pertinent
B．appropriate
C．acute
D．persistent

A．A company should not sell its high quality shoes in discount stores.
B．A company should not limit its distribution network.
C．A company should do follow-up surveys of its products.
D．A company should correctly evaluate the impact of a new craze on the market.