I think it's C but I'm not really sure
Answer:
Option one, statistics from a Government website.
Explanation:
Government certified websites are typically always considered a credible source.
First of all, we should know that domain specific words are those are low frequency and content-specific. So, in this sentence we know that the topic being discussed is a restaurant, so domain-specific words will be those that are used frequently in relation to restaurants.
These are: hostess, waiter, menu
