Match the following rocks in Column-I with their uses in Column-II. Column-I Column-II p. Gemstones i. Pots q. Slate ii. Roofs r. Granite iii. Jewellery s. China clay iv. Floors

• A.  p-iii, q-ii, r-iv, s-i              
• B.  p-ii, q-iii, r-i, s-iv              
• C.  p-i, q-iv, r-ii, s-iii
• D.         p-iii, q-i, r-iv, s-ii