Four metal pins A, B, C and D, were fixed onto a wooden board as shown in Figure 1 below. Figure 2 shows a battery and a bulb connected to two wires, Z and Y.
Lisa connected a few pins on the wooden board in Figure 1 with wires.
She then connected X and Y across different pairs of pins. She recorded her results in the table below.
| Pin connected to X | Pin connected to Y | Did the bulb light up? |
| A | B | no |
| B | C | yes |
| C | D | yes |
| D | A | no |
Which one of the following correctly shows the connections made by Lisa?