C is grammatically correct
Organisers of the very first race report that all but 500 of the 15,000 places have now sold out, just a month after they were first released to the public. For anyone itching to be the very first winner, there are only days left to get your entry in.
1.- report because Organizers is plural.
2.- have because 500 of the 15000 is plural.
3.- They were
4.- I don't see any other verb disagreement.
Answer:
When you rewrite a paragraph, make sure you are saying the same ideas and things that are in the paragraph without repeating exactly what's there.
I'll example with a sentence:
Chalk is made from a substance called phospherious miglamous which comes from tree bark.
Rewrite: Phospherious miglamous is a material that comes from tree bark that is used to make chalk.
Explanation:
I really hope this helps and I get Brainliest!
Van Helmont thought he proved that