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 make filling steak salad [title] Wash and slice the lettuce and cucumber, and add them to the salad bowl. [step] The lettuce should be sliced about 1/2 " wide, and the cucumbers should be quartered lengthwise and then sliced. The salad bowl should be medium-large sized. <sep> (A) [substeps] You can also wrap the top half of the lettuce with aluminum foil, and then set it aside for later. [title] Heat oil in a shallow frying pan or skillet and slice cucumbers over medium heat. (B) [substeps] If you have any extra long slices of lettuce, cut those into thirds. [title] Add the mozzarella cheese to the salad bowl, and toss until everything's combined. (C) [title] Combine the olive oil and turmeric with the lettuce, mix well, and pour in the juice from your scallions. [step] You can speed the process considerably with olive oil and turmeric. (D) [title] Thinly slice and submerge the lettuce in the water. [step] Make sure that the water covers every inch of the lettuce.
B

[header] How to elevate your hand while sleeping [title] Sleep on your back or side. [step] In order to elevate your hand while you're sleeping, you'll need to sleep on your back or on the side opposite of the arm that needs elevation. This is the easiest resting position for elevating your hand. <sep> (A) [substeps] Lying on your side not only has been shown to help alleviate hand inflation, but it also improves circulation in and around the hand and wrist joints. It's also more efficient than sleeping on your side. (B) [substeps] You can use a pillow to support your arm when you start to feel like your hand's elevating off the ground. Place a rolled up towel over your head to help prevent air from pooling near your arm. (C) [substeps] Sleeping on your stomach won't allow you to elevate your hand as easily. It's much harder to prop it up from behind if you're lying flat on your stomach. (D) [substeps] Lie on your back with the pillow propping your head up at a 45 degree angle. Your dominant hand should support the bottom of your pillow.
C

[header] How to make weed killer [title] Start with 2 c (400 ml) of white distilled vinegar. [step] Vinegar contains acetic acid, which effectively kills weeds. Keep in mind that vinegar is non-selective and will kill any living plant it touches, not just weeds. <sep> (A) White vinegar can be used alone, or you can add additional ingredients to the vinegar to make an even stronger solution. [substeps] Avoid using vinegar on or near your lawn, since it will kill the grass. (B) You can also use activated charcoal (a mixture of salt and distilled water) instead of vinegar for worst results. [substeps] You can buy activated charcoal at most grocery stores or online. (C) [substeps] For a strong effect, using a mixture of 50 c (400 ml) of white vinegar and white wine vinegar or more is recommended. Since it can alter the characteristics of the weeds, adding 50 c couldn't be better. (D) [substeps] [title] Use 6 g (100 ml) of ammonia. [step] Vinegar acts as an insecticide, as it kills certain weeds and discourages them from growing again.

A