The correct option is C Golden brown algae
Diatoms have been placed in the division Bacilliariophyta, which is distinguished by the presence of an inorganic cell wall composed of hydrated silica. Diatoms use the pigments chlorophyll 'a' and 'c' to collect energy from the sun through photosynthesis. They also contain the accessory pigments fucoxanthin and (beta) carotene, which give them a characteristic golden color.