A. is the answer i believe <span />
This is more like the compass for finding your way out of a geometry book. A mathematical compass (like this one) is used to draw perfect circles. For Donne, it was the perfect metaphor for the long-distance relationship he imagined with his wife. Line 26: The compass is introduced emphasizing two crucial features.
It isn't simile, because there is no comparison to anything, and it isn't ironic.
Answer:
advertisements for social events that feature a physical activity
