Which of these statements BEST reflects the main idea of the passage? A. some houses are made of strange materials, such as ice, while others are built with strange shape
or structures.

B. The physical conditions of the places where people live determine what kind of home they will have.

C. People consider many factors, such as physical conditions, materials, and personal preferences,
when building homes.

D. Most houses throughout the world are made out of wood because it is inexpensive and easily
available.