Answer:
The right option is A. In a series circuit, the current can flow through only one path from start to finish.
Step-by-step explanation:
A series circuit is a circuit in which loads are arranged in a continuous chain, so the current has only one path to move through. The current is the same through each and every load. Since all the appliances or loads are connected by head to tail therefore there is no other path for current to flow. So we can say that in a series circuit, the current can flow through only one path from start to finish.