What Is the Fermi Paradox

Multiple Choice

What is the Fermi Paradox?

A) Reasonable assumptions predict that a galactic civilization should have already arisen in the Milky Way. Yet, we have absolutely no evidence for it.
B) Galactic civilizations, like ours, seem forbidden by the laws of physics.
C) Interstellar travel is possible yet would take an infinite amount of time because of relativistic time- dilation.
D) We would be unable to detect an Earth- like planet even at a distance of a few light years.
E) The Drake equation predicts that there should be no intelligent life in the Milky Way. Yet, we exist.