DIRECTIONS: In each of these questions a disarranged sentence is given in which words or phrases are lettered P, Q, R and S. You are to arrange these to form a meaningful sentence. P: as time passed, the layer of sludge became very thick and covered with mud, Q: when they died, they sank "to the ocean bed and decayed into sludge R: the weight of water and mud pressing down on the sludge S: countless tiny sea animals lived in the ocean millions of years ago T: changed it into tiny drops of oil

• A.          PQRST                       
• B. QSTPR
• C. QPRST                       
• D. SQPRT