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 catch lake trout [title] Use a light-action rod with 4 to 6 pound test line. [step] This is the best rod to use for trout fishing and allows you to use a variety of techniques to catch your trout. The lighter line has less friction with the water, allowing you cast your line to the very bottom of the lake with ease. <sep> (A) All you have to do is lightly tap the rod with your finger to get some water onto the rod. [title] Get your hand used to the catch. (B) The slower you cast the rod, the more power your line will have. [substeps] Be aware that certain fishermen only use lighter lines when they plan on doing something else. (C) [substeps] Some lake trout can be over 35 pounds, you will need a heavier rod for these. If you know you're fishing a lake that has massive fish, bring a heavier rod as well. (D) [substeps] Watch out for small rocks in the water if you're unsure how to cast your line. The rocks reflect off of lake trout very easily.
[A]: C


[Q]: [header] How to make fruit crisp [title] Preheat your oven to 350 degrees f (175 degrees c). [title] Coat the bottom of a 9 x 12 baking dish with butter. [substeps] Use a stick of butter from the refrigerator to prevent clumps on the dish. <sep> (A) Fold the top two or three times so the butter is completely mixed in. [title] Place an inch of butter in each of the bottom four corners of the pan. (B) Use a butter knife to remove excess butter. Use a spatula to score small bumps on the surface of the dish by lightly tapping the butter over the area. (C) You will not need to use the entire stick, so only expose 1 end of the butter. [title] Make fruit crisp using a variety of fruits. (D) [title] Wash two large fruit pistachios in warm water. [title] Mash them with a fork or another food processor until they are smooth.
[A]: C


[Q]: [header] How to recognize signs of over exercising [title] Stop exercising if you experience muscle or joint pain. [step] Don't try to work through muscle or joint pain. Pain is a clear sign that you're overdoing it, so listen to your body and take a break. <sep> (A) [substeps] Soreness and tingling in your joints is a sign of overexercising. Throbbing is pain on your body or muscles due to excessive inactivity. (B) [substeps] If you don't feel comfortable getting up from work, or feel you're overdoing it, call your doctor immediately and see if you should exercise. Excessive pain in one hand, poor balance, and difficulty turning or clearing your head are indications of overexercising. (C) Learn about the dangers of decreased activity, such as chronic fatigue. Avoid starting an exercise program that calls for resistance training or strenuous activity after an intense workout to reduce strain. (D) [substeps] Even if you don't experience serious injuries, chronic, nagging muscle soreness is a sign you're exercising too much. [title] Call emergency services if you experience chest pain.
[A]:
D