In the stadium,where a football match _____,the workers are making the final preparations.
问题描述：
In the stadium,where a football match _____,the workers are making the final preparations.
A.is being held
B.was held
C,has been held
D.is to be held
可以解释一下每个选项吗
特别是A
答
D.表示这里即将有一场足球比赛,工人正在做最后的准备可以解释一下每个选项吗A 表示正在举行比赛，现在进行时的被动语态B 表示举行过比赛，一般过去时的被动语态C 表示已经举行过了，完成时的被动语态