<span>B) because it is a newspaper article
Quotation marks go around the title of a short work. Long works are underlined. For example, poems, short stories, and songs are all in quotation marks. Books and album titles are underlined. This source is an article. We can tell because the magazine is called the Hampton Gazette. There is also an edition number in the source citation - E8. These clues tell us it is an article. </span>
C. 56,000
Sited by NHTSA stats and driving schools across the United States of America.
If the underlined phrase is <em>having been warned by her mother, </em>then this is a nonessential perfect participial phrase.
Nonessential phrases are separated from the rest of the sentence by commas, and since this is a perfect participle, this is the only correct option.
