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".

[Q]: [header] How to stop picking your scabs [title] Disinfect the wound. [step] Open wounds and sores can develop infections. Always wash a new wound thoroughly with soap and water as soon as you obtain it. <sep> (A) Do not use hydrogen peroxide, petroleum or other deodorizers. Do not use antibacterial or antiseptic cleaners, as these may irritate the wound. (B) Then clean it up with an antiseptic wipe or a bit of neosporin and apply a bandage to protect it while it heals. You can also try using betadine or peroxide on the wound to clean and remove unwanted bacteria. (C) [substeps] Spread antibiotic ointment onto the wound, cover the wound with a sterile dressing that may be applied to the wound if it requires it. If you get a scab, wait 15 minutes to let the ointment finish fully absorbing in to the wound. (D) At least once every two weeks, take a shower or bath for seven to 10 days and splash your wound with warm water before applying bandages. Use soap with antibacterial properties and do not share it with others.
[A]: B

[Q]: [header] How to select perennials for edging [title] Choose perennials that can stand up to physical abuse. [step] Plants that are used to edge walkways will likely have to deal with a lot of foot traffic. Hardy, resilient perennials will therefore be a good choice. <sep> (A) [substeps] Perennials with artificial foliage won't stand out in an outdoor garden. Perennials with small bulbs can stand up to many forms of heavy concrete traffic. (B) [substeps] If you plan to display perennials on walkways, choose perennials that can stand stand up to a daily blow to the nose, or that will tolerate touch. [title] Look for perennials that can handle direct sunlight. (C) [substeps] Protect plants like roses, shrubs, and hedges with plastic. [title] Pick perennials that can withstand garden shock. (D) Examples of perennials that can withstand abuse from foot traffic include lilyturf (genus liriope) and brass buttons. [title] Select perennials that provide thick coverage.
[A]: D

[Q]: [header] How to reduce acne using a tea tree face mask [title] Combine 1 teaspoon of raw, organic honey and 1-2 drops of tea tree oil in a bowl. [step] Put the honey in a clean bowl. Then, carefully pour the tea tree oil into the honey. <sep> (A) You may be using more than one tea tree oil. [substeps] If you are using the same amount of honey, one teaspoon is sufficient. (B) [substeps] It's best to use half tea tree oil for at least one week and once a week it should be reduced by 20 to 25 %. Do not use tea tree oil using the daily lotion, blush, or face powder. (C) Use a small spoon to mix the ingredients together. [substeps] If the honey is very thick, you can warm it up over the stove to make it a bit softer, but don't allow the honey to get too hot or you may end up destroying its antibacterial properties. (D) For detailed instructions, check the instructions for further instructions. Do not forget to mix and match the honey.
[A]:
C