Refer to the diagram. (4 transformers) The auto transformers are rated at 120/240 volts. Which figure represents a circuit that would provide a 120 volt output from a 240 volt input?

Refer to the diagram. (4 transformers) The auto transformers are rated at 120/240 volts. Which figure represents a circuit that would provide a 120 volt output from a 240 volt input?