Please please answer this for me

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

Need plato answers asapselect all the correct answers.you are about to proofread your essay before turning it in. which of the following strategies should you use to maximize your effectiveness? 1. use only red pen for marking your mistakes.2. remember to look for mistakes you have made in the past.3. remember that, many times, teachers let small mistakes go.4. proofread backward, beginning from the end of the essay.5. look mostly at the introduction and conclusion.

Which of the following steps is not part of analyzing a poem? a. explore the poet's background. b. explore the theme. c. examine form and structure. d. examine language patterns.