2. Which of the following is not true of parenthetical elements? A. They provide additional detail. B. When one appears in the middle of a sentence, only one comma is needed. C. The information they supply can modify the subject or the verb. D. The information they supply is not needed for the sentence to make sense. 3. Which sentence best explains the e
A parenthetical element is defined as a word or group of words that interrupts the flow of a sentence and adds additional information to that sentence, however not important in the sentence. The sentences that apply are A, B and D.