Which of the following quotes indicates added text?
a. don tapscott said, "just as the internet drops transaction and collaboration also drops the cost of dissent, of rebellion, and even insurrection."
b. don tapscott said, "just as the internet drops transaction and collaboration costs, [sic] also drops the cost of dissent, of rebellion, and even insurrection."
c. don tapscott said, "just as the internet drops transaction and collaboration [the internet] also drops the cost of dissent, of rebellion, and even insurrection."
d. don tapscott said, "just as the internet drops transaction and collaboration costs in business and government, it also drops the cost of dissent, of rebellion, and even insurrection."