Read the following statements and identify the characters related to the alga shown in the diagram.

a) They possess chlorophyll a, c, carotenoids and xanthophylls.
b) The vegetative cells have a cellulosic wall usually covered on the outside by a gelatinous coating of algin.
c) The plant body is usually attached to the substratum by a holdfast and has stipe and leaf like frond.

d) They are usually grass green due to the dominance of pigments chlorophyll a and b.
Choose the correct answer from the options given below.