--- English is widely spoken in the world, isn’t it?

---Yes. It’s spoken         about 400 million people as the first language.

A．for

B．as

C．with

D．by

对烟草专卖品准运证的申请凭证中的交易类合同类型概括最全面的是（）.

A、购销合同；加工合同；进口合同

B、调拨单；加工合同；出口合同

C、购销合同或调拨单加工合同；进口合同；出口合同

D、进口合同；出口合同；加工合同