【单选题】Most diamonds can be found ______.
                    
A.in Africa
B.in gravel at the bottom of rivers and streams
C.in desert sand
D.in or near meteorites
                
							【单选题】Most diamonds can be found ______.
                    
A.in Africa
B.in gravel at the bottom of rivers and streams
C.in desert sand
D.in or near meteorites
                
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