I would say that the last choice would be correct. Hope this helps!
The answer should be A! Hope this helps :)
An excerpt from the text that suggests Kovaloff has not learned anything from his experience is: "<em>He returned joyfully, and regarded with a satirical expression two officers who were in the shop, one of whom possessed a nose not much larger than a waistcoat button</em>."
Here the character, a Major who lost his nose, is seen doing the same he did before his experience: joyfully shopping and mocking others, as though nothing happened. His personality is still arrogant and judgemental.
Answer:
Yeung's level of English language proficiency is in the Beginning.