Which of the following are percussion drills ?_x005F_x000D_(i) shot drill_x005F_x000D_(ii) diamond drill_x005F_x000D_(iii) wagon drill_x005F_x000D_(iv) churn drill_x005F_x000D_select correct answer?

• A. (i) and (ii) are correct
• B. (iii) and (iv) are correct
• C. (i) and (iv) are correct
• D. (ii) and (iii) are correct