Answer:
The correct answer is - C. euglena and volvoxes
Step-by-step explanation:
All the given options are the organism from the protist. Protist is the group of organism shows various type of organism including the autotrophs and heterotrophs. Amoeba is an organism that is a consumer as it engulfs food particles.
Paramecium is also a consumer as it does not produce its own food whereas volvoxes and euglenas are the photosynthesis organism that is capable of producing their own food.