Study the quote to answer the question: "So-called anonymous tracking is not very secure—the anonymity is fairly easily broken. Cracking open that anonymous shell and merging it with personally identifiable information from other sources is a fairly easy engineering feat." Which of the following shows the correct way to omit part of this quote but maintain its meaning through an addition?
"So-called anonymous tracking is not very secure...the anonymity is fairly easily broken. Cracking open that anonymous shell and merging it with personally identifiable information from other sources is a fairly easy engineering feat."
"So-called anonymous tracking is not very secure—the anonymity is fairly easily broken. Cracking open that anonymous...is a fairly easy engineering feat."
"So-called anonymous tracking is not very secure...[and] merging it with personally identifiable information...is a fairly easy engineering feat."
"So-called anonymous tracking is not very secure—the anonymity is fairly easily broken. Cracking [it]...is a fairly easy engineering feat."