I think the answer would be C, because an implicit theme is one that's hidden in the story and you kind of have to dig into the piece and look for it.
The answer would be A. Assets
Vas happenin!!
Before Thursday
Hope this helps
-Zayn Malik 1795
This line implies that humans, have been created in a sort of synthetic environment. Humans in this case, are now the most intellegent beings on the known universe, they have been monitored, similar to test subjects. These people/ this race, is more intelligent than man, and humans have been in an experiment this whole time.
Hope this helps.