The correct answer is
B. Sylvia struggles between protecting the heron and gaining the money
Step-by-step explanation:
Sylvia's angle towards cash is complicated; she loves nature, however finds cash, and therefore the things it offers, like a cushty life, tempting.
In A White Heron, Sylvia has the chance to form cash by giving a hunter an opportunity to hunt a white heron. the very fact that she has romantic feelings for Orion complicates her call, and contributes to her conflict. In the end, she chooses nature over cash and therefore the material world, however is beset by feelings of what may need been, showing her conflict is rarely fully resolved.