PTE Listening MC Multiple: Which of these qualities of a building does the speaker mention as being important?

Which of these qualities of a building does the speaker mention as being important?

• A.how original the design of the building is.
• B.how attractive the building is to look at.
• C.how long the building is likely to last.
• D.how well the building fits in with surrounding buildings.
• E.how well the building suits its purpose.