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 remove malware [title] Understand that viruses, trojans, worms, spyware and bots are all malware that can damage your system. [substeps] A trojan is software that may look legitimate, but tricks you into downloading it. It then activates, and can delete files and steal data or give the perpetrator access to your system. <sep> (A) An administrator is a person with whom you can password protect your database. A trojan is a type of perpetrator that can use your database, copy and resize, hack into users' databases and earn your trademark. (B) [title] Verify that your computer has a dedicated shutoff defroster. [step] In theory, you would press the power key to turn it on and off while running the software program. (C) Helix can easily catch this software, so make sure you are safe. [title] Find the error button and quickly click on it in the settings section. (D) A rootkit can be downloaded unknowingly along with other programs that you install. It can hide on your computer and can avoid normal means of detection.
[A]: D


[Q]: [header] How to stretch to improve your flexibility [title] Warm up your muscles. [step] Perform 40 jumping jacks , 25 squats, run on the spot for 5 minutes, and ten press-ups or ten girl press-ups if you are not strong enough. [title] Start with simple stretches to get used to the concept and feeling of stretching. <sep> (A) [step] You can stretch on a ball or in the sky. Avoid attempting to do anything difficult or hard and figure out what you're doing properly. (B) [step] Does it feel to stretch? That is great. Start slow and do thirty chest presses before you reach bench pressing. (C) [step] Stretching is the single best way to exercise comfortably and to elevate your blood circulation. [title] Work your muscles with the backbend workouts. (D) [step] Stand up and stretch your legs into a wide straddle. Reach down until your palms rest on the ground, keeping your legs straight.
[A]: D


[Q]: A man is standing under a basketball goal. A group of boys is listening to the coach. They begin warming up by doing lay ups. the boys <sep> (A) then begin to doingle to each other. (B) jump on the goal then their coach. (C) line up, prepared to play the game. (D) do a layup shot on the ball.
[A]:
C