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 make toasted seed risotto balls [title] Pour the stock into a heavy-based pot. [step] Bring to simmer gently. [title] Heat the olive oil in a frying pan. <sep> (A) [step] Add the spring onions and garlic and cook gently. After two minutes, add the rice and cook over a medium heat for 2 minutes, stirring often. (B) [step] Add the soy sauce and cook until the oil changes brown. [title] Skim and deglaze the risotto balls. (C) [step] Let it simmer for 1 minute and then flip the pan over with a spatula to cook for 5 to 7 minutes. Then pour the cumin seeds into the pan. (D) [step] Stir in the seasonings and bring to boil. [title] Add the diced apples and paprika and bring to a boil.
[EX A]: A

[EX Q]: [header] How to study the phenomenon of light as a nonequilbirum state of matter [title] Understand how thermodynamic systems are categorized. [step] Thermodynamic systems in nature are divided into two types. One is systems that are at equilibrium state with the environment and the other is systems that are in a state of nonequilibrium with the surroundings. <sep> (A) On earth, nature has a preference for systems that are at an equilibrium state with the surrounding. This is so due to the principle of minimum energy that every object in the universe aspires to have. (B) For example, gas rising in temperature throughout the day can be divided into microorganisms in the environment. [substeps] For example, gas rising in temperature in the atmosphere can be divided into molecules in the environment. (C) [substeps] Equilibrium is fundamental in thermodynamics. Other systems include stars, planets, and oceans. (D) [title] Learn about the term " rock hydrodynamics ". [step] Rock hydrodynamics refers to the transfer of water to the earth's surface.
[EX A]: A

[EX Q]: [header] How to wrap your hands for mma [title] Check the wrap for " up " or " down " labels. [step] Most wraps have 1 or both of these marks. The " up " side faces out, and the " down " side faces your skin. <sep> (A) That way, the hook and loop fastener, or velcro strip, will face down and you'll be able to secure it to the wrap when you're finished. [substeps] If your wraps don't have labels, unroll them and check which way the velcro strip faces. (B) If the wrapping permits, either cup the wrap directly to your face or wrap the wrap in both directions. If the wrap only covers most of your face, then you will probably be comfortable wrapping other parts of your body as well. (C) [title] Try a t-shirt or hoodie if you can't wrap your hands for mma. [step] The t-shirt needs a long, front-opening two-panel cover. (D) The " down " side faces in or out, and the " down " side faces out. Sometimes the pattern is identical, but in order to cover the entire wrap you will first have to verify that your wrap contains both of these labels.
[EX A]:
A