---Shall we meet at the station at 7 am?

---In fact, we _______. The train _______ until 9 a. m.

A．mustn’t; doesn’t leave

B．mustn’t; leaves

C．needn’t; won’t leave

D．needn’t; will leave

下列属于税收支出形成的退税有( )。

A．多征退税

B．出口退税

C．再投资退税

D．按规定提取代征手续退税

E．误征退税