Answer:
c. third-country national (TCN)
Explanation:
Third-country national (TCN) -
It refers to the migration process , where the person migrates to any foreign country , and tries to apply for visa of the particular company , somewhere he or she has not originated , is referred to as the third - country national (TCN) .
Hence , from the scenario of the question,
An international students goes to study and work in Brazil , which is not his native country , is referred to as the third - country national ( TCN ) .