Answer:
D. After Years Of Struggle
Step-by-step explanation:
Think of external coherence like using a cookbook.
So when you're baking cookies, the first line of the recipe should read: "Preheat oven to 375 degrees" instead of telling you after you've finished making the dough that you need to cook it in an oven at that temperature.
Telling the reader that at the begining lets them get an idea of the time frame and the wider narrative