Resolution in Electron Microscopy Greatly Exceeds That of Light Microscopy

Resolution in electron microscopy greatly exceeds that of light microscopy due to which of the following?

A) The wavelength of the electrons in the microscope beam is shorter than that of a beam of light.
B) The lenses of an electron microscope are of greatly improved quality.
C) For electron microscopy the tissue specimen does not require staining.
D) The electron microscope allows much greater magnification of a projected image than a light microscope provides.
E) An electron microscope can be much more finely controlled than a light microscope.