______, higher and higher,until it was a small dot in the sky.

A．It up flew

B．Up flew it

C．Up it flew

D．Up did it fly

甲状腺下动脉发自（）

A.颈外动脉

B.颈内动脉

C.锁骨下动脉

D.上颌动脉

E.颞浅动脉