How does the author support the claim that there would be many benefits to developing an artificial blood substitute? А. by describing how human blood donations would no longer be necessary B by explaining how artificial blood could heal patients in need faster than human blood C by describing how there would be no need to test blood for matching type and diseases D by explaining how artificial blood would reduce the risk of harmful side effects of blood transfusions

Part b: which phrase from the text best support the answers to part a? a. “i don't want to talk to somebody when i go check in at an airport. i just either download the boarding pass to my phone or walk up to a kiosk and get it.” (paragraph 8) b. “you do not have to go far to find someone who disagrees with andrew mcafee, just around the corner to the office of another person at the same university.” (paragraph 11) c. “the set of things that machines do not do like humans is innumerable.” (paragraph 16) d. “you wonder if you're joining that long litany of voices who go down as having made the incorrect prediction one more time, but i think the facts are different this time.” (paragraph 23)