Concept:Sugar is an uncountable noun, so it needs a quantifier used with uncountable nouns.Explanation:The word “a little” means a small amount and is used before uncountable nouns like sugar.Options A and C are incorrect because “a few” is for countable nouns and “little” has a negative meaning.The sentence expresses a positive wish for a small quantity, so “a little” is the best choice.Answer:D. a little