D. PixelProne's box army comes to Ohai's aid and gobbles up the gravel.
Nice one. I'll pick it, then.
[From my point of view]
I command my box army to help out Ohai while I calm him, talking about how nice his clothes look, and how silly squids look when they try to get a good look at you. At last, my boxes finally got done moving the gravel out of the way, and I gave Ohai the flint he asked for so he could make a nether portal to gather quartz. Ohai then walked away to a safe place under a tree, teleported to his home and crafted the flint & steel. He lit the nether portal and the world generated his portal just above a lava ocean, but he had no materials to build to the land next to him. He...
A: Yells for help at a kind looking zombie pigman.
B: Puts on his armor and jumps into the lava.
C: Tries to make a bridge out of sand or gravel.
D: Yells, asking for someone to help him, which attracts a hostile [insert mob here].
E: Spots Chestnut and Thoatt in the background, playing a dangerous round of Hop-Scotch PVP above lava.
F: Decides to wait there for eternity until someone spots him and saves him.