Detailed Instructions: 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 downgrade your avg subscription on windows [title] Turn on your computer. [step] Press the power button on your computer to turn it on. [substeps] The location of the power button will depend on your pc. <sep> (A) If you have it located in the bottom of your pc's start menu, you can find it in the " start " section. If you have it located in the top of your computer's control panel, then power on your pc. (B) It will usually be on the side near the control panel, or bottom of the hard drive. [title] Click " details " from the drop-down menu under " advanced settings. (C) For example, if you have usb ports then it will be located on the right-hand corner of your display (pc), while if you have a mac, the control panel might be located on the left hand corner. Don't forget to turn off the computer's power output. (D) If you're using a desktop computer, the power button should be at the front of the cpu; if you're using a laptop, the power button should be near the keyboard area. [title] Click the start menu or the windows orb.
A:
D