which type of cloud is most likely present on a gray, rainy day?\n○ cirrocumulus\n○ cirrus\n○ cumulus\n○…

Brief Explanations:

Nimbostratus clouds are low - lying, thick clouds that often bring continuous rain and have a gray appearance. Cirrocumulus are high - altitude clouds with a different appearance and don't usually bring rain. Cirrus are also high - altitude and wispy, not associated with rainy days. Cumulus are often fair - weather clouds.

Answer:

D. nimbostratus