Teacher: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".
Teacher: Now, understand the problem? Solve this instance: [header] How to reset a dell laptop [title] Back up and save all your personal data to a disc, usb flash drive, cloud storage service, or any backup program of your choice. [step] Resetting your laptop will wipe and erase all personal data from your computer. [title] Connect your laptop to a power source. <sep> (A) [step] Make sure that your connection has power and that the cable is plugged into an outlet. [title] Exit the computer and verify that the power adapter is in working position. (B) [step] This will help prevent your computer's battery from losing its charge during the reset process. [title] Swipe in from the right side of your screen and tap on " settings. (C) [step] If you have an iphone, the power adapter works just fine. A wire connection works equally well, so try the aap converter if you have one. (D) [step] For the maximum performance, the battery needs to be at level 30. Be sure all the devices and internal units are connected to the same power source.
Student:
B