Answer:
(C) are able to discriminate between rough proportions, but not for precise numbers.
Explanation:
There are lots of cultures around the world that do not have words for numbers beyond two or three. They have been around for a long time, meaning that they have a good understanding of what they need to survive in their places. About proportions, they use terms like a few, some, lots, that is, they can discriminate between rough proportions, but not for exact quantities.
The correct answer is:
(C) are able to discriminate between rough proportions, but not for precise numbers.