---- ______was it______ you discovered  the secret of his?

-----Totally by chance .

A．How; that

B．How; when

C．What; that

D．What; when

个别资本家提高劳动生产率的直接目的是______。

A．获取绝对剩余价值
B．获取相对剩余价值
C．获取劳动力价值
D．获取超额剩余价值