choose an appropriate express to complete the dialog cin: are those houses very old? nitha: yess but still look quite strong

Kelas: SMA
Pelajaran: English
Kategori: expression
Pembahasan: 

The instruction above is rather confusing. However, the appropriate expression for 
C: Are those house very old? 
N: Yes, but (they) still look quite strong.
C: How can you tell that they look quite strong?    (or)
     Really? but the ones overthere looks like a haunted house, dirty and there are cracks all over the place.   (or)
     OK, how much do you think the appropriate selling cost for them?