Answer:
D. Exporting more goods than importing.
Step-by-step explanation:
What is a positive balance of trade for a country?
A. Importing goods and exporting services. (this doesn't make sense nor is it possible)
B. Importing raw materials and exporting goods. (Again doesn't make the most sense an is to specific)
C. Importing more goods than exporting. (you lose money when you do this)
D. Exporting more goods than importing. (you are still able to import things an you make a profit.)