In Some Recent Years in Canada,exports and Imports Have Each

In some recent years in Canada,exports and imports have each amounted to ________ of Canadian GDP.

A) over 100%
B) over 80%,but less than 100%
C) over 60%,but less than 80%
D) over 50%,but less than 60%
E) over 40%,but less than 50%