[問題]PP--test(1) Q131 ( structure )

[SL320]

[u]As sweeteners,[/u] there is very [u]small[/u] difference between honey and sucrose, [u]although [/u]the former does contain minimal [u]quantities[/u] of vitamins, minerals, and amino acids.
the answer is B. i have questions about
1.although is a adv or a conj.
2.how to correct B?
thanks!

[duck]

"although" is a conj
and
the answer B should be "little" !