Directions: In the question below, the first and the last (correctly ordered) sentences are numbered 1 and 6. The rest of the passage is split into four parts and named B, C, D and E. These four parts are not given in the proper order. Choose the correct combination among the four alternatives given.

1. With wings came space exploration, which is pretty cool. B. In fact, people have dreamed of utilizing and colonizing our solar system (and beyond) since before we had airplanes. C. That hasn’t happened. D. But there’s still a load of cool projects that are in progress at this very moment to take us one step closer to a life away from Earth. E. We learned in the 60s that we should all be living on the Moon by now.
2. NASA has contributed $500,000 to an even more awesome project, essentially giant 3-D-printing robots designed to build massive installations in space.