We each took ______ tea after having ______ wonderful supper at my aunt’s yesterday.

A．a; /

B．/; /

C．the; the

D．a; a

已知流域最大蓄水容量WM=100mm，6月6日前期影响雨量为80mm，该日降雨60mm，消退系数K=0．9，则6月7日前期影响雨量为（）mm。

A.126

B.100

C.134

D.139.1