问题
选择题
All the preparations for the task ______, and we're ready to start.
A.completed
B.complete
C.hadbeencompleted
D.havebeencompleted
答案
答案:D
现在完成时表示过去的动作对现在造成的影响。从and we're ready to start 可知,一切准备工作已经就绪,可以开始工作了。