Answer:
c. A secondary market transaction
Explanation:
Future market transaction: The transaction which occurs in the near future to buy some specific quantities at the future price
Primary market transaction: In this transaction, the company direct sells the new stocks, bonds, etc to the public for the first time.
Secondary market transaction: In this transaction, the transaction which is already issued to the public are sold by another investors.
So in the question, the transfer was made through a broker which means it deals in the secondary market.