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 make a simple hot compress for muscle pain [title] Run water from the tap until it is hot. [step] You may want to heat water on the stove or in the microwave, but you have more chance of burning yourself if you heat the water in this way. Instead, run the hot water from your sink to a temperature that is just hot enough for you to tolerate. <sep> (A) [substeps] Pour the water over the wound, rather than across it, and try not to let it overflow. Stick your fingers, or any other hand instruments closest to the wound, in the hot water. (B) This way, you don't put your elbows or head under the water and burn yourself. [substeps] Another option is to massage the water out using a hose. (C) [title] Find a towel that is large enough to cover your injury. [step] Fold a towel or washcloth to cover only the area you want to place the compress on. (D) [substeps] The water should be roughly the same temperature as the temperature of your body. If you do not have access to a water faucet at home, you may consider using a kettle to conduct the water.
answer:
C


question:
[header] How to treat your customer while serving them [title] When the customer approaches your till point, greet them nicely. [step] This means you should acknowledge the customer with eye contact. Say " hello " and smile. <sep> (A) [title] Apologise for any wait, no matter how short. [step] The customer might not understand why they have had to wait. (B) [substeps] Also greet them in a professional manner. Always state your name, address, and similar things. (C) Offer him or her a fresh drink once in awhile. [substeps] Remember to shake each customer's hand. (D) If you don't meet their smile they'll get bored and start saying no. To greet the customer again, do a brief " hi " and introduce them to your horde.
answer:
A


question:
A man in shorts is in a gym. He is jumping rope in there. He speeds up his jumping. he <sep> (A) jumps over another man in the gym. (B) heads back and forth as he jumps. (C) gets off the stand and walks towards a mat. (D) is doing it in front of a mirror.
answer:

D