How is interpretation used in literature

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

Which of the following facts is true for the jallianwalla massacre, as discussed in gandhi's reponse to mr. pennington? a) all members gathered for the vaisakhi fair remained calm. b) general dyer made a verbal proclamation warning all members of the crowd to stay peaceful. c) children attending the vaisakhi fair were killed, d) anyone who tried to run away from the violence was able to escape.

How does new technology, ideas, and innovations affect society