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".

[header] How to avoid common glass tile installation mistakes [title] Ensure color consistency behind glass tile. [substeps] Since glass can be the sole material in an installation, it is essential to choose a bonding mortar that meets its unique demands. In most cases, the color of the thin-set mortar was not an issue when installing opaque ceramic tile. <sep> (A) But with clear and translucent glass, the mortar appears through the tile: if the color varies in the mortar, it will in the glass tile too. To eliminate variations across a glass tile installation, choose a glass tile mortar with a bright white shade that is controlled to a consistent standard color. (B) [title] Find a masonry solution solution as described in this article. [step] Masonry solutions used to be sold in commercial suppliers were expensive and less durable than those containing glazed portions. (C) [title] Check your online repair and installation guide for common glass tile installation recommendations. [substeps] If you cannot find the recommended measurements, consult the manufacturer's website or consult the recommended supplies list. (D) Spray glass tile debris on the glass tile before continuing. Rinse glass tile debris with water and wipe the water away.
A

[header] How to make green beans [title] Bring a pot of water to a boil in a saucepan over medium-high heat. [title] Add salt to the water once it begins to boil. [title] Trim the stems of the green beans and place them into the pot of gently boiling water. <sep> (A) [title] Once the water boils, drop 1-inch (2.5 centimeter) stems of 1 1/2 pounds (2.35 grams) of green beans into the boiling water. [title] Wait until the green beans are ready to be processed. (B) [step] You will need one green bean per cup (260 ml) of boiling water. [title] Add the green beans to the pot. (C) [title] Add ground bell pepper, thyme, and basil to the water for the next step. [step] Stir the green beans in with the salt until everything is evenly combined and the bean pieces are tender to the touch. (D) [title] Leave the green beans in the pot for 4 or 5 minutes, until they are cooked but still crisp. [title] Drain the green beans and cover them in ice water to stop the cooking process.
D

A man knocks over one of his team mates. Two men almost crash into the camera. a group of players <sep> (A) gather and try to beat the guy in black. (B) quickly get involved in a game of tug o war. (C) grab a hold of a net and throw it at one another. (D) fight over the ball.
D