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 select perennials for edging [title] Choose perennials that can stand up to physical abuse. [step] Plants that are used to edge walkways will likely have to deal with a lot of foot traffic. Hardy, resilient perennials will therefore be a good choice. <sep> (A) [substeps] Perennials with artificial foliage won't stand out in an outdoor garden. Perennials with small bulbs can stand up to many forms of heavy concrete traffic. (B) [substeps] If you plan to display perennials on walkways, choose perennials that can stand stand up to a daily blow to the nose, or that will tolerate touch. [title] Look for perennials that can handle direct sunlight. (C) [substeps] Protect plants like roses, shrubs, and hedges with plastic. [title] Pick perennials that can withstand garden shock. (D) Examples of perennials that can withstand abuse from foot traffic include lilyturf (genus liriope) and brass buttons. [title] Select perennials that provide thick coverage.
[A]: D


[Q]: An athlete practices tossing a javelin in a track a field course. The athlete starts with two or three side steps and then proceeds to toss the javelin. the athlete <sep> (A) then increases his speed and steps. (B) runs parallel to the chalk and throws four instructions that lead into a discus throw, where he throws the javelin as far as he can into the distance. (C) then does a backswing outside of the track. (D) throws the javelin to the other side and then back to the field.
[A]: A


[Q]: [header] How to do the boomerang in pilates [title] Sit down on the mat with your back straight, and legs extended out in front of your body. [title] Place your palms flat on the mat next to your outer thighs. [title] Cross your legs at your ankles and point your toes as you take in a deep breath. <sep> (A) [step] Hold this breath for five seconds and then inhale and bring your body forward. [substeps] Keep your hips forward and lean forward on your right leg so your left knee touches your left thigh. (B) [title] Exhale and gently lie back so that you're lying flat on the mat. [title] Press your hands down into the floor, keeping the chest open. (C) [step] Try to hold your breath for several seconds, and then open your chest to breathe. Hold the breath for three seconds before releasing it and proceeding to breathe in deeply. (D) [title] Slowly lower your left leg across your left thigh. [title] Exhale and pull your right heel slowly towards your left thigh.
[A]:
B