Choose the sentence (a, b, c, d) which is closest in meaning to the sentence printed before.

In spite of her difficult living conditions, she worked extremely hard.

• A. 
  She worked very hard in difficult conditions.
• B. 
  She worked very hard but she still lived in difficult conditions.
• C. 
  She worked very hard even though her living conditions were difficult.
• D. 
  She worked very hard because her living conditions were difficult.