How does the last sentence in paragraph 7 refine a key concept about road construction?
A The cost of the latest technology delays plans for building safer and more durable roads.
B Solar roads provide a less costly solution to building safe and fuel-saving roads.
C Energy-saving techniques used in road construction are not available in the near future.
D The cost of construction poses an obstacle to building safer and more durable roads.

Report Content

• Issue: *
  Copyright Infringement Spam Invalid Contents Broken Links
• Your Name: *
  
• Your Email:
  

• Details: *
  

Submit Report