【单选题】What does a firm depend on if it wants to develop and not to be thrown out of the markets? You may say the firm should have some advantages of its own to stand still in the fierce competitive battle f...
A.
They hire people with the least possible money regardless of their skills.
B.
They see skill gaining as their employees' own business.
C.
They prefer to hire self-trained workers.
D.
They only hire skilled workers because of keen employment competition.