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 remove paint from your shirt [title] Wear gloves and painting clothes. [step] You don't want to stain any more clothing or get your hands dirty. So wear gloves and clothing that you wouldn't mind getting paint on. <sep> (A) Gloves are important for much of the time, because they protect your hands and may help your paint flake off. [substeps] Try to wear disposable gloves when painting your shirt. (B) [title] Remove excess paint as soon as possible. [step] You can use a kitchen utensil like a knife or spoon or a scraper such as a popsicle stick. (C) [substeps] You could also wear safety goggles or goggles with loofahs. [title] Wash your clothes in soapy water before you start painting. (D) [title] Sort it into separate clothing sections so there will be clean space for you to work on. [title] Paint the area where the stain was caused.
[A]: B


[Q]: Clouds roll through several snowy mountains. Several people trek up it on skis. several skiers <sep> (A) use poles to cross a track. (B) then walk down a bumpy, snow covered slope. (C) get lost in the snow. (D) ski down the mountain.
[A]:
D