Consider the following steps of the Wastewater Treatment Plant (WWTP) –i. Impure water goes to grit and sand removal tank,ii. Impure water is allowed to settle in a large tank,iii. Impure water is passed through bar screens.Using the codes given below, arrange the above steps sequentially.

• A. iii, ii, i
• B. ii, i, iii
• C. i, ii, iii
• D. iii, i, ii