问题详情：
![---Laura，togetherwithherteammates，]( "---Laura，togetherwithherteammates，")
---Laura，together with her teammates，_____the drama these days．
---I bet they will give US a great performance at the graduation ceremony．
A．have been prepared B．have been preparing
C．has been preparing D．has been prepared
【回答】
C
知识点：主谓一致
题型：选择题
