Answer:
c. Passive or sporadic exporting
Step-by-step explanation:
Passive or sporadic exporting is a business operations related term that is used in describing a form of exporting activities or carrying out an exchange of commodities stimulated by unrequested examinations from abroad.
Hence, in this case, the correct answer is Exporting only after receiving unsolicited foreign inquiries is best described as "Passive or sporadic exporting"