38. Where was stone commonly used to build houses? (A) Virginia (B) Pennsylvania (C) Boston (D) Charleston

41. The author mentions elaborately paneled walls in line 26 as an example of (A) how the interior design of colonial houses was improved. (B) why walls were made of wood or plaster. (C) How walls were made stronger in the eighteenth century. (D) What kind of wood was used for walls after 1730.