Answer:
D. B, D, C, A
Step-by-step explanation:
All in all, snow-skiing trips make the best vacations, because they combine physical activity with natural beauty. Skiers can race down the slopes while the snow flutters down and then head inside to relax by a warm fire. In addition, the splendor of a snow-covered mountain can be enjoyed during the day or even while looking out a hotel window at night. Most importantly for any ski vacation, no matter how skiers choose to relax, there should always be warm cocoa to drink.
It's a conclusion paragraph, so you want to connect all the points together. Furthermore, since it's a conclusion, you can start with "all in all" because it's implied that there are points that come before that paragraph.