钢丝绳按拧成的股数分成：（）。

A、三股、四股、九股

B、三股、五股、九股

C、三股、四股、十股

D、两股、四股、十股

It is not the strongest of the species that survives, nor the most intelligent that survives. It is     ______ that is most adaptable to change.

A．one

B．that

C．the one

D．this