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]: Two men are doing martial arts with others around them watching. Many other men are shown doing several flips and tricks around each other. two men <sep> (A) are shown hitting people to give them an out and another man joins in. (B) are joined by a woman. (C) flip near each other while others around them watch. (D) stand on a mat while a man is bartending around them.
[A]: C


[Q]: [header] How to tell the difference between different types of plant fertilizers [title] Use soluble fertilizer when you want to water in the fertilizer. [step] This fertilizer is usually added to the watering can. [substeps] This is best for helping boost growth when its growing season and for frequently fed container plants. <sep> (A) In the summer break, try adding two or three inches of food to fill the watering can-too much fertilizer will kick in when the corn is thirsty, too little will only keep it growing. Plan it out in a bucket or basin for easy irrigation. (B) [title] Use a hose to water a potted plant after planting. [step] Water a cactus when they get too hot for watering. (C) Leaves that don't bond and stink up the water are also large fertilizer that needs to be added to your watering can. [title] Use different types of fertilizer. (D) [title] Use granular fertilizer when you need to supply a concentrated amount of nutrients. [step] A plant may be lacking in a particular nutrient (this will be evident through such things as yellow leaves, , etc.
[A]: D


[Q]: [header] How to join a forum [title] Launch an internet browser. [step] Just double-click on the icon of the browser you wish to open (any will do) found on the desktop. [title] Search for a forum. <sep> (A) [step] Type in a keyword phrase that describes the forum and click " search " to view links to a forum. [substeps] Select a forum to ensure that it goes for use on a previous forum about a similar topic. (B) [step] If you want to know more about a particular topic or requirement, type in a keyword phrase or phrase and/or hit enter or a text field that describes the topic you are searching for. [substeps] Look for forum forums (those that feature the latest news or forum games), link forums (those that only exist on the site), and links to the post itself. (C) [step] If you haven't yet found a forum you want to join, you can search for it using the browser's search bar at the top of the screen. [substeps] For instance, if you want to search for an aquaponics forum, type in " aquaponics forum " on the search bar, and you'll see a bunch of results with forums relating to aquaponics. (D) [step] Type " forum " or some other image of the forum you wish to join into the search bar at the top of the start screen of your browser. [title] Give a rating rating to the search engine.
[A]:
C