Question

codes can be easily scanned with a smartphone. qr codes help reduce physical contact with servers by allowing customers to view a menu, order food, and even pay their bills. qr codes have proven to be both handy and convenient. we 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.

Explanation:

The word "revolutionized" implies a significant and positive change. The passage also mentions that QR codes are "handy and convenient" and the author hopes they "stick around". This shows a positive view. Option A's "confused" is wrong as there's no uncertainty. Option B's "informative" (free from personal opinion) is incorrect as the author clearly has a positive stance. Option C's "frustrated" is not shown. Option D's "appreciative" fits as the author values the benefits (like reducing physical contact, being handy) of QR codes.

Answer:

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