In the last sentence of Passage 2, the author uses the
phrase "five years and £500 million" primarily to
A) emphasize the scale of the effort needed to make
teixobactin available for consumer use.
B) criticize the level of funding that the government
has committed to teixobactin development.
C) underscore the amount of time and money that
has already been spent researching teixobactin.
D) compare the amount of money spent developing
teixobactin with the amount spent developing
other antibiotics.