With quotation marks (ex. "The only thing we have to fear, is fear itself!")
discreet- careful and circumspect in one's speech or actions, especially in order to avoid causing offense or to gain an advantage.
"we made some discreet inquiries"
Rock and minerals are both considered to be natural substances and this is what they have in common.
The question is from James Baldwin's book, Notes of A Native Son and same-titled essay in the book. The author gives the details of his father's death and writes that his mother gave birth to one his sisters just before the father passed away. Therefore, the correct option is C.
