printing press -> microscope -> telephone television -> automobile -> microwave airplane -> microphone -> radio Doppler radar -> microphone -> telescope
I gave my students this multiple choice question: Which of the following shows the correct sequence of inventions?

Only one answer is correct among these 4 choices:
- printing press -> microscope -> telephone
- television -> automobile -> microwave
- airplane -> microphone -> radio
- Doppler radar -> microphone -> telescope

Could you tell me which one is correct?

printing press -> microscope -> telephone