In the Mid-1940s,the United States and the United Kingdom Were

In the mid-1940s,the United States and the United Kingdom were of roughly equal importance as trading partners of Canada.Since then,the share of Canadian exports going to the United States has ________ and the share going to the United Kingdom has ________.

A) risen to 100%;fall to zero
B) risen to about 80%;fallen to about 20%
C) risen to about 80%;fallen to about 3%
D) fallen to about 20%;risen to about 80%
E) fallen to about 3%;risen to about 80%