-  Sun Jan 15, 2017 7:22 pm
					 #32111
							   
										
										
					
					
							Hi,
(A) looked really good to me except for the fact that it said Oil Companies were doing the experimenting. But the passage says Researchers are the ones experimenting, from what I can see. How can we infer the two are the same?
					
										
					  															  								 (A) looked really good to me except for the fact that it said Oil Companies were doing the experimenting. But the passage says Researchers are the ones experimenting, from what I can see. How can we infer the two are the same?


