C definately, Bilble is the title of the book. also likely A
Sometimes, things happen that offset the initial effect of a decision. These things are kinds of unintended consequences.
B.. Lowell’s Dedication to Planetary study
Passage starts out with his work and ended with his work.
Answer: Because if you are uncertain of what's happening then you don't know how to deal with the situation. So in order to compensate for that not knowing, you take a risk.
You need to understand the main Idea in a story and the details to back it up and just understand it