---Why didn't you stop them from going into the forest?---I did try.But they _____listen to me.A.couldn't B.wouldn't C.needn't D.shouldn't但why?

---Why didn't you stop them from going into the forest?---I did try.But they _____listen to me.A.couldn't B.wouldn't C.needn't D.shouldn't但why?
---Why didn't you stop them from going into the forest?
---I did try.But they _____listen to me.
A.couldn't B.wouldn't C.needn't D.shouldn't
但why?

---Why didn't you stop them from going into the forest?---I did try.But they _____listen to me.A.couldn't B.wouldn't C.needn't D.shouldn't但why?
这里的would表示 意愿 而不是 将要
A是没有能力去做,显然不对
C显然不对
D的shall本来可以表示意愿,但这里是they