I think it’s “B. Electricity runs most model train engines”
The answer is:
D) Third-person omniscient
The narrator in third person omniscient knows everything about everyone, it does not have limits whatsoever, in this line <em>"even though she knows perfectly well what it is."</em>
It is omniscient because he knows what she knows, and what she tries to do.
C, sh wants to fool Lillian Jean into trusting her