Choose the best answer to complete these following sentences

Huong looks good-looking and clever.  Lien looks good-looking and clever. So______.

• A. 
  Huong and Lien look so good-looking and clever.
• B. 
  Huong looks good-looking and clever and Lien does so.
• C. 
  Huong looks good-looking and clever, so Lien looks good-looking and clever.
• D. 
  Huong looks good-looking and clever and so does Lien.