Which is the best answer?

There is left only ________ sugar in the container.

(some / a little / plenty of / a few)
Which do you think, Vincent - and why?
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I think some and a little are correct, what do u think?
'A little' is right, but 'some' is not because of 'only'. Also, the original sentence has 'left' in the wrong position. It should read:

There is only a little sugar left in the container.