Q: You are presented with the quiz "viruses are so small that they can be seen only with a device developed where?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "viruses are so small that they can be seen only with an electron microscope" and "electron microscope is developed in Germany". So, what's the best answer to the question?

Pick from:
A). A computer;
B). sunlight;
C). Light;
D). germany;
E). retina;
F). at home;
G). canada;
H). taiwan;
The answer is:
D).