在家鸽的体内，气囊直接与下列哪一结构相通[ ]

A．口腔

B．气管

C．肺

D．肝脏

Last week，our school had a basketball match , our class______ any other class ,we______the first place.

                                                                                                                                                        [ ]

A. beat；beat  

B. won；won  

C.beat；won  

D. won；beat