【单选题】

It can be inferred from the passage that, when the Issei began to lease! and from the Valley's strawberry farmers, the Issei most probably did which of the following
A．They used profits made from selling the strawberry crop to hire other Issei.

B．They negotiated such agricultural contracts using the "boss" system.
C．They paid for the use of the land with a share of the strawberry crop.
D．They earned higher wages than when they raised sugar beets.