Here, you would need to add the preposition "in."
The sentence should read: My elder sister is really interested in the problems of the environment.
Other prepositions would not make sense and could confuse the reader as to the intended meaning.
I think it'd be C or in this case "i".
Think about the 3 syllables of architect. ARCH - I -TECT. Now relate the sounds of each syllable to the sounds of the Greek words. ARCH and arch. TECT and tekt of tekton. This would show that the meaning of an architect is some who is the chief or ruler builder, or the person who plans all of the building out.
Answer:
Major Leagues
Explanation:
The Story Written by Ralph Ellison "The Black Ball" is for the Black people plays with the white people in the Major Leagues in the modern era. It also says that this story has the courage to pursue your dreams.