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 reuse [title] Don't recycle your next empty jug of milk. [step] Poke holes in the top of the lid. Then, fill it with water, screw the lid on and use it as a watering can. <sep> (A) [title] Use less using jugs than you think you need to. [step] Often, items such as juices, sterilizers and acids recycle too fast; try using the one they own when they need to remove something bad. (B) [substeps] Remember to refrigerate milk jugs without lids. Make sure that the lid isn't too tightly lined, you will need it for your construction projects. (C) [title] Save a large square egg crate, like the ones you find in bulk stores. [step] Set it on your desk and place your laptop on top. (D) This is what you use to water your plants while reusing the container. [substeps] Other containers made specifically for reusing the milk jug can be used instead.
C

[header] How to set up a baked potato bar [title] Prepare ahead of time, even the day before. [step] This way, the toppings will be ready and you can focus on preparing for the party event. Make sure all of your topping items are covered in their serving containers and put them into the refrigerator ahead of time. <sep> (A) [title] Put together your mixers and dipping sticks. [step] Using your pre-prepared ingredients, use the pouring and collecting method to start heating your ingredients. (B) [substeps] Don't prepare foods more than 24 hours ahead of time. Keeping them as fresh as possible is important. (C) [title] If you plan on using frozen toppings, have them freeze. [step] You want them to be thick enough to last. (D) [title] Cover the baking sheet with 2 " baking paper. [step] Turn the temperature to medium-low, and place the side dish on the baking sheet.
B

[header] How to calculate difference in pivot table [title] Launch microsoft excel. [title] Open the spreadsheet containing the pivot table and source data you are working with. [title] Select the worksheet tab containing the source data. <sep> (A) [step] This is the area at the top of the page that displays as column c under excel. [title] Select new column size from the column tool bar located at the top. (B) [substeps] This may, or may not, be the same sheet where your pivot table is located. [title] Determine the calculation you would like to add. (C) [title] Enter the data to the new excel data page. [title] Click " analyze " into the " view sources " dialog box that's pop-up. (D) [step] Excel will automatically display the field for all calculations you've done here. [substeps] If there is more than one source, either double-click on the mass area to extract all of the formulas, or click the add or remove button on excel to root it.

B