The correct option is A U.V light
Infrared and ultra-violet light are not used by plants during photsynthesis.
Infra Red light does not contain enough energy for photosynthesis .
Ultra-violet light on the other hand has too much energy. UV light intercepted by plants can create free radicals, which can be detrimental to the plant. Therefore plants have pigments to protect them from UV light.
Visible light, which includes red light, blue light and green light are utilized by plants to use to move electrons around.