The true statement regarding the inventions of the microscope and telescope is:
B. Galileo made important improvements to both instruments.
Galileo Galilei is well known for his significant advancements in telescope design in the early 17th century, which allowed for important astronomical discoveries. While he did not invent the telescope, his improvements made it much more powerful. He also contributed to the development of early microscopes.
The other statements are not true: A. Lenses in microscopes and telescopes cannot form perfect images due to various optical aberrations. C. While there were early optical devices in history, telescopic lenses as we understand them today did not exist in ancient Greece. D. Image resolution has continually advanced with technology and is not at its maximum potential.