It would most likely be D.
The correct option is D.
From sentence 3, it can be seen that the writer finished his morning duties on this day faster than he has never done before, this is the first time he will be finishing that early. Looking at the five options given, it can be seen that, it is only option D that clearly expresses this fact.
I think that the answer is D(We stopped, although we could have kept going.)
Coherence is meaning <u><em>that the quality of being logical and consistent. </em></u>
<em>Hope this helps you out</em>
Answer: 1 and 3
Explanation: Acid deposition decreases the ph of lakes and rivers. Organisms are likely to be affected by increased acidity.