Consider the folowing 4-bit Up-Down counter. Assume A3A2A1A0-0011. What sequence does this circuit counte +5V Hex Display A3 A2 A1 CLK UP co- CLR D3 03 D2 02 D1 Q1 DO QO LD EN AO do Select one: O 0.4.5.6.7.8A.. O b.2.3.4.5.6.7.8.2... O C.3.4.5.6.7.8.2. O d. None of them O.0.1.2.3.4.5.6.7.0