26. For decades, researchers have studied the effects of young blood on ageing in  mice through a technique called parabiosis, which an old mouse is sewn together  with a younger one so that they share a circulatory system. No Error,
(A) 
(B)
(C) 
(D)
(E)

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統計: A(8), B(4), C(20), D(0), E(19) #1582365

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#5404333
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