When comparing the GDPs, Instead of saying compared it to, you might want to type, "in comparison." A few transition words also might help the piece become a bit smoother. Other than that, good job on the writing! It seems very well researched!
The answer is D to express an attitude.
Answer:
"Is there anything in life so disenchanting as attainment?"
Explanation:
There are no incorrect capitalization or punctuation errors.