I feel like thats how someone is represented in the book or because they are a major part of the book
B. You, because the word you is the first word of the question and the fist letter of the first word at the beginning of a new sentence is capitalized.
Error identification is a type of competitive test where one needs to identify the grammatical errors in a sentence. Though termed as Sentence Correction, most often, problems in this topic need one to only classify sentence errors.
The answer to this is reins, it is reins because this is all filler for you to allow me to put down this answer, its reins.