What is the main idea in why we are running for office by rebecca zissou

In "there will come soft rains," why does the author turn the house into a mechanical creature? a. to stress how well run the future will be b. to keep readers from realizing at the start that no humans are present c. to stress how scientific advances can create the perfect society d. to compare the present with the earlier, non-mechanical times

Based on your knowledge of word parts what does the word intervene mean

Pls, i really need on this question?