Which of the Following Describes How Canadian Exports Affect Canadian

Which of the following describes how Canadian exports affect Canadian GDP?  

A)  Canadian exports are NOT included in Canadian GDP because they are consumed abroad. 
B)  Canadian exports are included in Canadian GDP because they are produced domestically. 
C)  Canadian exports are included in Canadian GDP because they represent an increase in inventories. 
D)  Canadian exports are NOT included in Canadian GDP because they are NOT subject to a tariff.