instruction:
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". 
question:
[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.
answer:
D


question:
A dog is outside in a large field and runs towards a man holding a yellow frisbee. the man <sep> (A) then throws the frisbee, the dog catches it and begins swimming back and forth in the water. (B) frisbee the dog around the frisbee and the dog chases the frisbee and catches the frisbees. (C) attempts to catch the frisbee but it is deflected by the large dog. (D) then begins walking and throws the frisbee for the dog to catch.
answer:
D


question:
[header] How to prevent electrical fires [title] Make sure all electrical outlets are fitted and tight to the wall. [step] Start by checking all the electrical outlets in your home or on your job site. Make sure they are tight and fitted to the wall, as loose-fitted plugs can be a shock or fire hazard. <sep> (A) [substeps] Older or newer outlets are usually bolted to walls, not hung to the ceiling. Some older outlets may need to be wired tightly to the walls and secured to the ceiling or on the wall with metal reinforcement. (B) If you notice any of the wall plates are broken or missing, put new wall plate over the outlets so there are no exposed electrical wiring. [substeps] You should also cover any unused outlets with protective covers, especially if you have young children who will be moving around in the space. (C) [title] Check exterior and outdoor areas for electrical connections. [step] Check windows, doors, roof, and any other obvious wires that are blocking the potential holes the outlets could easily flow through. (D) You will want to make sure every cable and outlet is unblocked and resecured, and check that each outlet has a plug plug if necessary. [title] Plug in most of the electrical outlets.
answer:

B