Reading passages

73 -We understand from the passage that primitive reflexes ---- . 
A)  are concentrated in the palm of a baby's hand 
B)  are a way of lifting babies off the ground 
C)  sometimes disappear after six months 

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14 
D)  are things which we do automatically from  the time we are born 
E)  are objects about which babies' fingers tend to close 
74 -It is clear from the passage that ----- . 
A)  human babies are good at hanging on to tree branches 
B)  psychologists make babies hang from tree branches to test their theories 
C)  until six months of age babies think their mothers have fur 
D)  very young babies are sometimes stronger than we might think 
E)  only people living in primitive conditions have reflexes