Question

qr codes have revolutionized the food - service industry. in the early days of the covid - 19 pandemic, people thought the coronavirus could be spread when they touched the surfaces like restaurant menus. this meant that physical contact with servers by allowing customers to view a menu, order food, and even pay their bills was later proven to be unlikely, but restaurants were lucky that qr codes - and were talking little black boxes made of tiny dots and easily scanned with a smartphone. qr codes can only hope that they stick around. how does the use of the word revolutionized help reveal the authors tone? choose 1 answer: a it reveals the authors confused tone, suggesting that they are uncertain whether qr codes are truly useful. b it reveals the authors informative tone, reassuring the reader that the passage is free from personal opinions. c it reveals the authors frustrated tone, highlighting their belief that qr codes should be used more widely. d it reveals the authors appreciative tone, showing that they value the benefits of using qr codes. bonus question

Explanation:

The passage emphasizes positive aspects of QR - codes like convenience. Words like "revolutionized" suggest appreciation.

Answer:

D. It reveals the author's appreciative tone, showing that they value the benefits of using QR codes.