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 perform an autopsy on a human being [title] Understand what an autopsy is. [step] An autopsy is a detailed examination (and dissection) of a human body after death. It is used to determine the likely time and cause of death, as well as to evaluate the presence of disease and/or injuries. <sep> (A) An autopsy is often performed during the day after a death, or at night. Depending on your body type, an autopsy can last longer or shorter if done with the right equipment. (B) The autopsy is often conducted as a procedure administered in an office, rather than a surgical procedure, but it is treated in multiple ways. [substeps] For a crime scene autopsy, the job is to put the human body's dna on a piece of paper and then render it to a laboratory for analysis. (C) [substeps] An autopsy is conducted by a pathologist, which is a doctor with specialty level training in how to do the procedure and how to effectively analyze the tissues and body fluids. If the person's death is being investigated forensically, an autopsy may be legally mandated. (D) A typical autopsy takes place approximately 50 minutes after the death of the patient. The procedure consists of the following components : [substeps] Removing the deceased's organs from the body.

A: C
****
Q: [header] How to cook with nuts [title] Buy shelled nuts. [step] Nut shells have no nutritional value and cannot be consumed. Doing so could cause them to lodge in your throat, and you could choke. <sep> (A) Instead, buy shelled nuts when you are grocery shopping. Don't buy shelled nuts when you are preparing meals. (B) Therefore, always buy shelled nuts, or shell them yourself. In either case watch out for the occasional shell piece that might be left behind. (C) Shelled nuts aren't good for eating or digesting. There are other foods you can eat that don't require shelled nuts, such as : [substeps] Butter, peanut butter, cottage cheese, okra, teriyaki, and chickpeas. (D) Choose shelled nuts whose shells are heavy, easily broken, or cracked. Opt for : [substeps] Corn nuts pumpkin shells peanut nuts pumpkin seeds roasted nuts sunflower seeds [title] Clean your shells.

A: B
****
Q: [header] How to relax at the computer [title] Fingers interlaced over the head. [title] Cervical (neck retraction). [step] Put your hand against the temporal area and push the head to the opposite side and hold it with resistance for five seconds. <sep> (A) Rest for another five seconds and repeat on the other side [title] Tension at the neck. [step] It's best to sit on a stiff-backed desk. (B) [title] Elbows must be in the range of movement for this operation. [title] Believe it or not, we can perform this without thinking, due to safety duty. (C) Then, rotate the head to the other side and let the head begin to slide, going slowly away from the body. It should slide out mostly through the back and if you allow the head to slide out all the way, it will move smoothly away. (D) Do the same on the opposite temporal, push against it and then push the head back against it with resistance and hold for five seconds. Then put your hand on the forehead and push against the forehead with resistance for five seconds.

A:
D
****