Answer: b. a mixture of organelles and cytosol.
Step-by-step explanation:
A cytoplasm is a viscous solution that is present inside a cell membrane. It is mainly made up of water, proteins and salts. All the organelles such as endoplasmic reticulum, mitochondria, nucleus and others are located inside the cytoplasm in the eukaryotic cell.
It also includes the cytosol which does not include any organelle.