If Water Vapor Was Released from Venus's Surface Due to Tectonic

If water vapor was released from Venus's surface due to tectonic activity into its upper atmosphere,what would most likely happen to it?

A) The water vapor would relieve the greenhouse effect and decrease Venus's surface temperature.
B) Water droplets would condense, rain down, and form lakes on Venus's surface.
C) The water vapor would chemically react with carbon dioxide and form acid rain.
D) Ultraviolet light would break apart the water molecules, and the hydrogen would be lost into space.