Final answer:
Russia spans 11 time zones, which are necessary for managing the various regions of the extensive country.
Step-by-step explanation:
Russia is known for its vast size and equally vast number of time zones. The correct answer to the question is d. 11 time zones. Russia covers a substantial area across Eurasia, which necessitates multiple time zones for proper timekeeping and governance. These time zones are used to coordinate everything from business to transportation across the expansive Russian territory.