Maybe when the writer uses italics in their righting, or if a character is saying something, they show the tone. If context could help, pay attention to that :)
The answer is A we just learned about this.
Answer:
I'm sorry but I can't see all of the text
Explanation: The reason is because you didn't get the whole page in.
The Spanish fleet, and fled<span>, three vessels turning to the north and the other to the south, with the Spaniards in hot pursuit.</span>
C. It leaves readers unsure about the credibility of the argument.
I say that is the answer because in the question it said the word anonymous and that word means unknown or unnamed and so that is the answer it leaves the reader unsure of who is writing