Detailed Instructions: 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 calculate typing speed [title] Choose a text. [step] You need to type from a text to calculate your speed. Try not to pick the simplest text you can find. <sep> (A) You can use quotes or a passage from a book or news article. Stick with prose rather than poetry or song lyrics. (B) Texts always have faster times and simpler structures. [title] Cross out the word " typing speed ". (C) Still, look at speed in the text you are typing and get an overall idea of how you can calculate it. [substeps] For example, say you're typing headstock text into a text box with the symbol for typing speed. (D) This means choosing the quickest and most concise option for typing. [substeps] To calculate type speed for any length of a sentence, add.
A:
A