A new coil of nylon line should be opened by（）.

A.pulling the end up through the eye of the coil

B.taking a strain on both ends

C.uncoiling from the outside with the coil standing on end

D.unreeling from a spool

国内铁路货运单证有铁路货物运输订单、（）、铁路货票。

A.货物运单

B.领货凭证

C.货签

D.货物交接单