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 recognize symptoms of sickle cell disease (scd ) [title] Get tested. [step] Sickle cell disease can be detected with a simple blood test, so if you think you may have the disease, see a doctor to get tested right away. In the united states, all newborns are required to be screened for sickle cell disease. <sep> (A) [substeps] The screening process is lengthy and requires some paperwork so a doctor can make sure they're perfect. In order to receive diagnosis or treatment, the doctor must first perform a screening test. (B) The more advanced the developing disease, the more likely it is that you may have sickle cell disease. It is a serious disease that causes weight gain, and may affect when you are pregnant. (C) The centers for disease control and prevention (cdc) website has more information on the disease than it does on its own. [title] Be aware of your potential risk factors. (D) This is because early treatment is very beneficial to patients. [substeps] It is also possible to do prenatal screening for sickle cell disease by testing fetal tissues that are collected by chorionic villus sampling or amniocentesis.
[A]: D


[Q]: [header] How to sleep peacefully, and have good dreams at the same time [title] Relax before bed. [step] If you have a hard time getting to sleep, you should take some steps to help you relax and prepare for bed before you want to go to sleep. Spending some time relaxing and clearing your mind can help you to fall asleep more quickly and sleep peacefully through the night. <sep> (A) [substeps] Take a few breaths before bed, if you feel like you may need it. When you feel sleep approaching, take some deep breaths. (B) When you get up in the morning, make sure you have plenty of time to gather your thoughts before bed. Even a quick cup of coffee and some breathing exercises before bed can help you drift into sleep. (C) [substeps] Take a shower and do some light and relaxing activities before bed. If you can, do them before you do anything else. (D) There are lots of different techniques you can try to help you relax before bed, such as : [substeps] Practicing some gentle yoga stretching. Progressively tensing and then relaxing the muscles in your body.
[A]: D


[Q]: [header] How to understand your teenage daughter [title] Really talk to her. [step] Though you can start by asking how her day at school was, don't stop there. It's important for you to really talk with your daughter in order to understand her. <sep> (A) You may look for misunderstandings and put her down. But asking your daughter how her day was is crucial to learning how to recognize her strengths and your own weaknesses, which is why we are here. (B) However, you can still keep basic questions in mind. [substeps] Ask how classes went, what she did friday before school, what she's been doing on her birthday, when her food is, and so on. (C) [substeps] Begin the conversation with small, open ended questions such as, " tell me about your day. " if your daughter doesn't seem to be responding, let her know you're there when she's ready to talk. (D) At the same time, it is important to test your attraction to her. Ask her questions about her day and see how she reacts to them.
[A]:
C