Answer:
D.
Step-by-step explanation:
A eukaryotic cell may be single-celled or or found in multicellular organisms whose cells contain at least one distinct nucleus. It has defined organelles. And may no contain the chloroplast.
The chloroplast is a specialised organelle found in the cells of green plants or animalcules, and in photosynthetic algae, where photosynthesis takes place.