3 is CORRECT. Interpret the table by using the following J and K operations as follows:

JK = 00 is No Change:  Qn = 0 -> Qn+1 = 0 
JK = 01 is RESET:      Qn+1 = 0 always    
JK = 10 is SET:        Qn+1 = 1 always
JK = 11 is TOGGLE:     so Qn = 0 -> Qn+1 = 1 

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