In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[header] How to remove paint from a car exterior [title] Park the car on top of a large tarp or drop cloth to contain the old paint. [step] The old paint should be disposed of instead of letting it contaminate the ground. If an open area is not available, park the car inside a garage, but open all of the garage's windows and doors for ventilation. <sep> (A) Cover objects inside the garage to protect them from the paint dust. [title] Use masking tape to cover the areas of the car that won't be sanded. (B) Alternatively, use a flashlight to check beneath the tarp. [title] Use an old baseball bat, crowbar, pry bar, or other large object to push the old paint off of the vehicle. (C) [title] Wipe the paint with a wet cloth, a roller wrap or an old towel to protect it from oil and water. [step] The paint is likely to collect on these cloths and make them easier to clean as they are removed. (D) If your garage is not well ventilated, a ventilation device will block your windows when the old paint has dried to a mud-like consistency. [title] Pour a small amount of vinegar into a small bucket.
A

[header] How to make vegan egg drop soup [title] Heat the soy milk in a saucepan to 180 ° f (80 ° c), measuring the temperature with a soup thermometer. [step] Stir the milk constantly with a wooden spoon to prevent scorching. [title] Combine the epsom salt and the boiling water, stirring well to combine. <sep> (A) [step] This creates the coagulant that will separate the soy milk into curds and whey. [title] Pour half of the coagulant into the soy milk and stir it once. (B) [step] Reduce the heat to low and allow the mixture to simmer for 5 to 7 minutes. Then remove the pan from the heat and wait for your soup to cool to room temperature. (C) [title] Combine the banana peels, peeled and dried-peas, and ginger together. [step] Pour this mixture into the saucepan and bring this water to a boil on medium-high heat. (D) [step] Make sure that you're heating the water and addition space before you begin. [substeps] Epsom salt can be purchased at very low prices at food supply stores.
A

[header] How to transport breast milk [title] Ask about the terms of transport. [step] If you are sending your breast milk to a company, such as a breast milk bank, ask in advance about the terms of transport. Questions to ask include : [substeps] When does the milk need to arrive? How long can it take to get there? Does the company accept milk packed with dry ice? If so, in what quantity? [title] Use fresh milk. <sep> (A) [step] Milk is changed on a daily basis. Most manufacturers now sell their new milk cold, rather than reheating it in the microwave. (B) [step] Do not store a whole breast of milk in the microwave. Instead, fill a jug filled with fresh milk and microwave it on high heat for 30 to 60 seconds. (C) [step] You can find fresh milk in some commercial stores in bulk. Be careful of doing so; it may cost a considerable amount of money. (D) [step] If you are going to ship breast milk, make sure it is fresh. Either pump it immediately before mailing, or remove the correct amount from the freezer.

D