Approximately 1% of the solar radiation that strikes a plant is converted into the chemical bond energy of sugars.Why is this amount so low?

A)Approximately 99% of the solar radiation is converted to heat energy.
B)Only 1% of the wavelengths of visible light are absorbed by photosynthetic pigments.
C)Most solar energy strikes water and land surfaces.
D)Approximately 99% of the solar radiation is reflected.
E)Only the green wavelengths are absorbed by plants for photosynthesis.