The answer is talked because it is something they are all participating in an action.
Hope its right, and if so, hope it helps!
The correct answer is B. <span>The Mariner captures the Wedding Guest’s attention with a strange, glittering look.
The Wedding Guest can help but be interested in what the Mariner has to say once he say his strange, glittering look. It seems as though his story is an interesting one, worth hearing, which is why he stays in order to hear the Mariner's odd tale.</span>