下列加框词活用现象不完全相同的一项（ ）

However, at times this balance in nature is ______, resulting in a number of unforeseen effects.

is the man, do you know— I don’t know exactly. But I think he can be _______ but a teacher.

How long can I ______ the VCD —Two weeks.

I’m not sure whether this is the room ________ she left her dictionary.