All of the Following Represent a Complete AC Electrical Circuit

All of the following represent a complete AC electrical circuit EXCEPT:

A) C battery → C battery → wire → flashlight bulb
B) ESU generator → bipolar cord → one prong of bipolar forceps → tissue → other prong of bipolar forceps → bipolar cord → ESU generator
C) positive (hot) wire → negative (neutral) wire → ground source
D) wall plug → ESU generator → active electrode pencil → tissues → patient ground pad → ESU generator → wall plug