You can find it by
looking around for details such as first idea sentences, which narratives the authors point of view, has supporting details and context - clues
I think the answer would be C. an angry state of mind
The points A, B, and D are different definitions from those of "a feeling or state of mind." That being said, they would not be alternate defintions. Also, "an upset or angry state of mind," comes with the primary definition, meaning C. would be an alternate definition.
Why do you think space exploration is important? And… What do you think the world will be like in 100 years?
These questions can have many answers that many can discuss together and find out so much information from