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". 

[EX Q]: [header] How to remove hair from your throat [title] Try to swallow the hair. [step] If you suspect that you have one or two hairs stuck in your throat, try to just swallow them. The hair will travel through your digestive tract like food does and your body will excrete them. <sep> (A) Pass the hair around your mouth under your tongue until you see no more hairs. It's important that you close your mouth as tightly as possible so that the hairs don't come back. (B) Sucking in the hair will leave your throat full of the hair. If the hairs are stuck in your throat, then you might want to rub a cotton ball or toilet paper over your throat to help get rid of the hairs. (C) This will open up the glycerine lining in your throat and prevent anything from coming out. [substeps] Wait a few minutes to see if they're gone. (D) Your body will not break down the hair because it's made of keratin, a dense protein. [substeps] If it feels like the hair is long, see if you can use your clean fingers to pull the hair out of your throat.
[EX A]: D

[EX Q]: [header] How to handle having a toxic mother [title] Be aware that your mother might not realise that what's she's doing or saying is affecting you. [step] Try talking about it with her, telling her how you feel. You might be surprised to find that she's actually quite understanding; after all, she's human too. <sep> (A) [title] If you're really dealing with a toxic mother, be caring. [step] Basically, try your best to show she is not hurting you. (B) [substeps] You might be embarrassed, and really hurt. Try to talk to her about your feelings instead. (C) [substeps] You could say, " i feel frightened about what you're telling me. I wish i could make you feel better, but i don't know how. (D) [title] Choose the right time to talk it over. [step] There is a wrong time for you to have this conversation.
[EX A]: D

[EX Q]: [header] How to make cookies and cream rice krispie treats [title] Melt the butter in a large saucepan. [step] Over a low heat setting, melt the butter to where it is nearly all liquid. [title] Add the marshmallows. <sep> (A) [step] Before the butter melts completely, stir it occasionally with a wooden spoon. ( the butter needs to melt evenly before you can add it. (B) [step] When the butter has melted, add the marshmallows. [title] Sauté on low for 20 minutes or until the marshmallows have dissolved. (C) [step] Combine and stir the butter and marshmallows until everything is melted thoroughly. [title] Remove the pan from the heat and add the 10 oreos that were chopped. (D) [step] Pour the melted butter into the saucepan with the marshmallows. Stir the mixture in until the marshmallows are completely melted.
[EX A]:
C