Answer:
B. In 2010, texting while driving was found to be the cause of 27% of traffic accidents among teen drivers.
Step-by-step explanation:
Citation is usually a reference to a source. It becomes necessary when we borrow some words or ideas, data, from a source which may be a text, an article or any other written piece, which is required to mention and acknowledge the resource. Among the given options, the sentence that requires citation is option B, as it illustrates the data that requires substantial support and evidence to support the claim or else it would be considered either incorrect or unauthentic. Thus, the second option is the answer as it borrows the factual information from a database.