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".
One example: [header] How to create a christmas tree forest [title] Consider the type of tree you want to plant. [step] There are a wide variety of christmas trees and include fir, pine, spruce, cypress, and cedar. These trees thrive in different climates and look different from one another. <sep> (A) It is important to research the tree before setting up your tree to try it out to make sure you can write the tree's growing season so that you can get the most supplies you need. If you're just interested in having a tree stand out, then make sure to check for the following : [substeps] Spruce trees. (B) [substeps] Trees green may be used in a mix of green and evergreen. Greens, such as pintos and olive oil, may be more delicate than these. (C) Where the trees grow together is up to you. [substeps] Spruce trees light up the night for hours in the morning and drown out the morning sunrise between afternoons. (D) Think about where your tree forest will be located and choose a tree that can thrive in that climate. [substeps] Balsam firs are a popular christmas tree species that grow in the northern united states and canada, in hardiness zones 3-5 or states like minnesota, north dakota, and montana.
Solution is here: D
Explanation: This is a good example. Only option D is about Christmas trees. So, it's the correct option.

Now, solve this: [header] How to compete in shot put events [title] Be sure to let your coach know that you would like to compete in the event. [step] S/he will be able to help you train for it and will be the one signing you up at competitions. [title] Do weightlifting training. <sep> (A) [step] Doing weights helps you build strong muscles and endurance. Most olympic qualifiers involve doing bodyweight exercises (if needed). (B) [substeps] This will be a very important aspect of your shot put training. It will strengthen your muscles to throw farther. (C) [step] Muscles need lots of work to have stable, strong body. 8-10 hours of weightlifting every day will work the same muscle groups, including the normal arms, legs, and back. (D) [step] Each event will require you to perform certain exercises or push ups in order to improve your technique. Until your coach tells you to do this, do regular body weight exercises without using any weightlifting equipment.
Solution:
B