If the sentence is: A school's right to search student lockers to keep things safe for the community might be a necessary thing. Then the best revision would be C. <span>is necessary to maintain a safe environment for students. Therefore, the whole revised sentence would be like this: A school's right to search student lockers is necessary to maintain a safe environment for students. The A option is wordy, and B sounds too bureaucratic and technical.</span><span>
The part of a letter it is asking for, is what's called the Signature Line. The Signature Line in a letter is where the author of the letter will tell the reader they wrote it.
