The correct option is C Chl a, Chl b, carotenes and xanthophylls
A genus of green algae Ulothrix is found in both in freshwater and marine water. The structure of this algae is filamentous, unbranched and uniseriate. Since, these belong to green algae, they have chloroplast which contains the pigment chlorophyll a, and b along with carotenes and xanthophylls as is found in higher plants.