Answer:
The correct answer will be option C.
Step-by-step explanation:
Protista is a group of Eukaryotic organisms which consists of unicellular organisms.
These protists remain unicellular which live in colonies as well as some group live as a simple multicellular organism. these multicellular organisms lack complexity, unlike true multicellular organisms. Protists exhibit the characters of plants, animals and fungi but lack true tissues like seaweed kelp.
Thus, option C is the correct answer.