It in fact, is C. He used imagery to present the subject.
There are two ways that families influence values and expectations of their children: directly and indirectly. Parents directly teach their children values. Children watch their parents interact with others, make choices and determine right and wrong for themselves, and this impacts how they develop their moral self.
I believe the answer is A, Both poems explore the idea of pursuing new experiences.
The reason behind that, is simple. In the first poem, you can see that "The Lady of Shalott" had seen a boat, and went along the path which took her. In the second excerpt, there are interactions between the two, which lead them on a "broad steam".
I hope that I helped :)