The very last one: "I have no children by which... "
Answer:
lwnbskjeilwjwkwbnenkdkd
Explanation:
nhqiwjbsksgkaisjwbisbsis
jskwkenekodlqb2kisosjendd
The newspaper clerk said that he's worried that the newspaper's reputation will go down because of the nonsense Kovaloff has given. This is the reason that the newspaper clerk has given to Major Kovaloff for not being able to run his ad. This part of a story is taken from "The Nose" story written by Nikolai Gogol.
The correct answer is C) The Great Barrier Reef, located in the Coral Sea, can be seen from space.
The other examples are incorrect as they do not form a simple sentence, only C) does.