The answer is D promoting participation, because Anna wasn't participating so Jennifer had Anna share.
A woman with a baby requested a grand piano with three wooden legs
A is the most suitable answer, although all of the answers are technically correct. B, C and D all serve to add <em>clarity</em> to an essay, which in turn adds interest. A directly adds interest, and the clarity comes as a secondary effect.
Since they live in the ocean they are marine mammals.
