Choose the most appropriate option opposite in meaning to the word underlined wo...

The question is asking you to choose the option that is the opposite in meaning to the underlined word "catastrophe" in the sentence "The presidential aspirant warned of the political catastrophe that would follow if the elections were rigged". The word "catastrophe" means a great disaster or tragedy. Therefore, you need to choose an option that means the opposite of disaster or tragedy.

Option A is "problem". This is not the opposite of "catastrophe" as a problem can also be a negative situation.

Option B is "turmoil". This is not the opposite of "catastrophe" as turmoil can also mean a state of great disturbance, confusion or uncertainty.

Option C is "success". This is the correct answer as it means the opposite of "catastrophe". Success means a positive outcome or achievement.

Option D is "conflagration". This is not the opposite of "catastrophe" as it means a large destructive fire.

In summary, the correct option opposite in meaning to the underlined word "catastrophe" in the sentence is Option C, "success".