The correct answer is: A) The house imagery.
In the poem <em>I dwell in possibility</em>, the motiff is the house imagery because poet Emily Dickinson makes a very big metaphor revolving around nature and the perfect home and comparing it to how poetry shows us new perspectives of the world.
C there was no such conveyancer as he
The correct answer is Carol has a cottage near the shore.
This supporting detail has nothing to do with her study of marine life. She could have this cottage because she inherited it, or she just likes the place - it doesn't really contribute to her love or study of marine life. The other options clearly support why she is studying marine life, whereas the one with the cottage does not.
I believe it's answer choice C, Good luck!