Answer:
Correct quantifier is small
Explanation:
It is important to understand what a quantitative pronoun is. Here is a definition of quantitative pronouns
Quantitative pronouns are words that indicate the quantity of something, which can be countable or uncountable.
The subtle difference between small and little is that "little" can be used as a quantifier, denoting the amount of something, whereas "small" denotes size.
Hence the correct quantifier is small