It's definitely D.
It's for sure not C. And I've never read the full story, but this passage doesn't indicate a depressing mood of foreshadowing danger. And the vocabulary in the writing doesn't impact the story itself.
Answer: He said in his speech that all women and men should be treated equally. No one should be judged on the color of their skin or their race
Explanation:
Maybe singing that would be a good start.
The correct answer is C. He mistakes Cesario for Sebastian and thinks that Sebastian is refusing to recognize him. It is true that Viola disguised herself as Cesario, but it is Antonio who mistakes him to be Sebastian, and becomes angry at his 'betrayal'