The “（）” use of the present perfective denotes that an action or state extends over a period lasting up to the present moment, possibly extending into the future as well.

The “（）” use of the present perfective denotes that an action or state extends over a period lasting up to the present moment, possibly extending into the future as well.
A.finished
B.unfinished
C.simple
D.progressive
正确答案：unfinished