营养睾丸及附睾的动脉有（）。

A.精索内动脉

B.睾丸动脉

C.精索外动脉

D.提睾肌动脉

E.输精管动脉

The document which shows a vessel’s nationality，ownership，and tonnage is the（）.

A.Manifest Certificate

B.Bill of Lading Certificate

C.Certificate of Nationality

D.Official Logbook