I will go to the seaside for a holiday with my family as soon as I ______ what I am doing.

A．would finish

B．have finished

C．finishing

D．finish

抢占有利的位置是防守的关键，有利的防守位置是依据对手、球、球篮的（）关系而定的。

A.距离

B.方位

C.角度

D.变化