Which sentence is correct regarding the manufacturing of plastic? I. All the varieties of plastics are manufactured from petrochemical based hydrocarbons II. The raw materials and intermediate products used in the manufacture of Polyvinyl chloride (PVC) - Ethylene, Chlorine, Hydrogen chloride. Vinyl Chloride Monomer (VCM), and Ethylene Dichloride (EDC) - are known hazardous materials III. Additives, fillers, and coloring pigments used in plastic goods can also exhibit non-hazardous properties

• A.  I & II                           
• B.  Only II
• C.  Only III           
• D.  All the above