Mrs. Flowers is being described quite positively here as the adjective 'benign' simple means warm-hearted or kind. and graceful connotes a sense of elegancy. She is smiling warmly and genuinely.
<span>B. And sorry I could not travel both.</span>
I think it might be D), but im unsure. It just seams to fit the theme of how <span>Nick said "</span>The fact that gossip had published the banns was one of the reasons I had come East."