In order to improve reliability, Hyundai has used corrosion resistant

In order to improve reliability, Hyundai has used corrosion resistant coating on the inner body on the surface of Sonata; Hyundai’s frames have been built to last and they are. (A) have been built to last and they are (B) are now built to last and they do (C) are built to last and they have (D) (…)