33. How many sp 3 - and sp 2 -hybridized carbons does the following compound have?  
(A) 6 and 7
(B) 7 and 6
(C) 8 and 4
(D) 4 and 8
(E) none

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統計： A(27), B(2), C(2), D(0), E(3) #1026918