Who discovered the cell?

Answer: Option C

Robert Hooke discovered the cell.
Robert Hooke was an English polymath active as a scientist and architect, who, using a microscope, was the first to visualize a micro-organism.
Hooke coined the term cell, suggesting plant structure's resemblance to honeycomb cells. He discovered the cell in 1665, the cell has a rich and interesting history that has ultimately given way to many of today's scientific advancements.