Below is a diagram of a myelinated neurone.

The black arrows show the direction of the nerve impulse.
Which row in the table below correctly identifies structures 1 and 2, and the type of neurone shown?
Structure 1Structure 2Type of neuroneAdendronaxonmotorBaxondendronsensoryCdendronaxonsensoryDdendriteaxonrelay \begin{array}{|c|c|c|c|} \hline & \textbf{Structure 1} & \textbf{Structure 2} & \textbf{Type of neurone} \\ \hline \textbf{A} & \text{dendron} & \text{axon} & \text{motor} \\ \hline \textbf{B} & \text{axon} & \text{dendron} & \text{sensory} \\ \hline \textbf{C} & \text{dendron} & \text{axon} & \text{sensory} \\ \hline \textbf{D} & \text{dendrite} & \text{axon} & \text{relay} \\ \hline \end{array} ABCDStructure 1dendronaxondendrondendriteStructure 2axondendronaxonaxonType of neuronemotorsensorysensoryrelayRow A\textbf{A}A: Structure 1 is a dendron; Structure 2 is an axon; the neurone is a motor neurone.
Row B\textbf{B}B: Structure 1 is an axon; Structure 2 is a dendron; the neurone is a sensory neurone.
Row C\textbf{C}C: Structure 1 is a dendron; Structure 2 is an axon; the neurone is a sensory neurone.
Row D\textbf{D}D: Structure 1 is a dendrite; Structure 2 is an axon; the neurone is a relay neurone.