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". 

[EX Q]: [header] How to unlock tracfone mobile phones [title] Call tracfone. [step] Contact customer service at 1-800-867-7183 between 8:00am and 11:45pm, eastern time (et), 7 days a week. [substeps] If you did not buy your phone through tracfone, it is likely unlocked already, and no code is needed. <sep> (A) When you call, ask how long it should be on your phone or get a confirmation email for garfield. [title] Run an internet search for " tracfone mobile phones. (B) Look for a white box containing the code " 192.168.0.1. " if you do not see the code on the box, then replace it with the united states exit code (). (C) [title] Request an unlock code for your phone. [step] The representative will verify that your phone and account meet all the necessary conditions to be unlocked. (D) If you receive a voicemail notifying you that a call was unsuccessful, call customer service at 1-800-627-4590. [title] Place a text message (optional) on each call.
[EX A]: C

[EX Q]: [header] How to prune dracaena [title] Prune your plants in the spring before they hit the growth period. [step] From april to may, your dracaena plant comes out of rest mode and gets ready to go into the blooming season. Pruning your plants before they hit the growth period keeps them healthy. <sep> (A) This also makes it easier to shape the plants into your ideal look. [substeps] While you can prune your dracaena whenever you'd like, this helps encourage new, healthy growth. (B) [substeps] Dig around your plant and dig through the leaves and stems. Then, break or slice up any missing leaves or stems. (C) Cutting back all the flowers is absolutely essential to maintaining the stage of the plants that produce most of the foliage and fruit. [substeps] Your herbs should be pruned throughout the spring rather than the summer as this can cause them to produce fewer blooms and appear stunted. (D) It promotes a firm, healthy growth cycle for the plant. [substeps] Use a small garden pedometer to determine how many plants you should prune.
[EX A]: A

[EX Q]: The man begins by rollerblading down a long walk way and then sitting on a bench outdoors and talking to the cameras. The man then demonstrates how to strap on roller blades. the man <sep> (A) then showcases a white helmet, strapping it on and then rollerblading in an park among the people. (B) then becomes highly agitated and starts to play one glove with another. (C) bends down and takes one in each foot and then to fasten them in at the ankles. (D) switches to rollerblades as well as how to leave them behind, and continues speaking to the camera again.
[EX A]:
A