Which of the following statements are true?(i) Angles forming a linear pair are supplementary.(ii) Angles forming a linear pair can both be acute angles.(iii) Two lines parallel to the same line are parallel to each other.(iv) Two lines perpendicular to the same line are perpendicular to each other.

• A. Only ( iii )
• B. ( i ) and ( iii )
• C. ( ii ) and ( iii )
• D. Only ( i )