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:
A black object appears and the woman is now placing it onto a long pole, she's back on the ladder and she's using the black object to help her hold up the border wall paper as she applies it all along the wall. when the woman <sep> (A) finishes the wall paper is covered by a blue curtain and she begins to pull the white rod back and forth as she continues to use the soldering iron to create the wall paper. (B) has drawn a border on the wall, she stretches up to get a better hold, three inches above the floor leaving the wall covered in white paper. (C) is done plastering, she takes the phone back and the actual wall paper is now in place and it seems to be the perfect size, exact size and it has sparkles, three big black holes in it and it has the laminate look to make it look very clean. (D) is done the camera pans to show the finished job and the outro appears that includes the website, company name, price and phone number.
answer:
D


question:
This video allows viewers to hear the testimony of a customer who has used the pro roofing service. First the man tells how he heard about the service and how great it is. he <sep> (A) also says that he chose pro roofing because the neighbors chose it and persuaded him by telling how great the service is. (B) gets the materials to do the job and is joined by a group of small children who are drinking lemonade at the lemonade stand and talking. (C) starts by explaining how he is going to first tell the detail of creating a casing using an iron, then he starts on eggs and bacon. (D) talks about some graphic details.
answer:
A


question:
[header] How to choose shoes to help reduce your back pain [title] Identify the cause of your back pain. [step] Schedule an appointment with your family physician if you develop back pain that won't go away after a few days of taking it easy. Your doctor will examine your back (spine) and likely ask you about your family history, job and lifestyle. <sep> (A) Your physician may use x-rays to evaluate whether your spine has any serious issues. Your doctor may refer you to a physical therapist or physical therapist who has experience running errands for you that leave you feeling full, healthy and happy every day. (B) When you visit family physicians, ask them about their findings, and bring all of your medical data to your appointment. The physician will have helpful information to refer you to some new medical experts willing to refer you to a local doctor or see a specialist. (C) If your back pain is severe, then x-rays of your spine might also be taken. Your doctor will try to rule out the most serious causes of back pain, such as a herniated disk, spinal infection, bone fracture, arthritis and cancer. (D) Ask your doctor about how your back pain might be related to children or especially teens. [substeps] Some children with back pain may demonstrate age anxiety, low blood sugar, high cholesterol levels, or other conditions that should be considered medical assistance.
answer:

C