What is the prefix in the underlined word in the following sentence?

sarah was mistaken when she thought the english exam was next week and hadn't studied.
a. ken-
b. mis-
c. mist-
d. ken-

for me, i'd go with (c) satisfied or (b) overjoyed because if you read it a couple of times, it makes since that it is c or b. it can't b (a) angry because booker was never angry about anything. at the end of the paragraph, booker states, "i think there are not many men in our country who have had the privilege of naming themselves in the way that i " i think that sentence kind of gives away the also, some words in the paragraph can also you like for example, "indulged," "calmly," "perplexity," "privilege," and defining words that you don't know, can you understand more of that paragraph and it can also increase your comprehension. : )

i'm really rally sorry if i'm incorrect, but if i'm hope this ! : )

where are the multiple choice answers?

d is the correct answer. it recognizes the authors, allows for royalties to have their fair share of profit, and confirms validity.