The Two Neighbors of the United States Do a Lot

The two neighbors of the United States do a lot more trade with the United States than European economies of equal size.

A) This is consistent with predictions from gravity models.
B) This relates to Belgium's trade record with the U.S.
C) This contradicts predictions from gravity models.
D) This is because these neighboring countries have exceptionally large GDPs.
E) This is irrelevant to any inferences that may be drawn from gravity models.