How many working breweries are there in Britain as of now?

The correct answer reflects the most recent data indicating that there are approximately 946 working breweries in Britain. This figure takes into account the growth of the craft beer movement and the establishment of new breweries over recent years. The rise in popularity of independent and craft breweries has led to a significant increase in the number of operational breweries compared to previous decades, showcasing a thriving beer culture in the UK.

This number provides insight into the diversity and variety of beer offerings across the country, which is a testament to local production and regional styles. It demonstrates the landscape of brewing in Britain, where both traditional and innovative brewing techniques coexist.

The other figures do not represent the current total accurately, as the number of breweries has surpassed 800 but hasn't reached 1200, reflecting a more specific and updated count of the active breweries in the industry.