Idioms exist in every language. They are words or phrases that aren't meant to be taken literally. For example, if you say someone has "cold feet," it doesn't mean their toes are actually cold. Rather, it means they're nervous about something. Idioms can't be deduced merely by studying the words in the phrase.
C) Pitchers threw at his head.
This line "Pitchers through at his head." uses the incorrect "through". This "through" means to go in and out of something, like a doorway. I walked through the doorway into the other room. The sentence needs the "threw" that means to take an object with your hand and propel it to another location. Threw is the past tense of the word throw. It is an irregular past tense verb, so it doesn't follow the rule of adding /ed/ to create past tense.
Answer:
The reason why the geosphere is included in the carbon cycle during the forest fire because carbon is being released back into the atmosphere during a forest fire
C) They dramatize the greatness that Othello eventually loses.