The sentence that is an example of chronological structure is option D.
"Some time in the next 100000 years, glaciers will cover all of Manhattan."
When providing the historical background to a topic, it is required to describe events in chronological order, or in the time sequence that they occurred. This is commonly seen in academic essay writing. Chronological sentence should have a time reference.
Romeo says that he wishes he were sentenced to death, because exile is worse than death.
After Romeo kills Tybalt the Prince sentences him to exile. He thinks he is being merciful, and the Friar tries to get Romeo to see that it's mercy, but Romeo thinks that living anywhere without Juliet would be worse than dying.
Usually, when you talk to your friends, you don't follow every grammar rule in the book. This is why spoken English is far more informal and flexible, giving room to slang. In the same way, with the exception of the first example, all the other sentences follow conventional Standard English grammatical rules. Only the first sentence shows a more conversational syntax (word order) being used. Therefore, the best answer is A.
On that note, we could infer that the first example sounds like how British speak, as they are known for their frequent use of tag questions.
The answer, I believe, is C) He.
