Answer: (C) Primary market
Step-by-step explanation:
The primary market is one of the type of capital market which helps in dealing with the various types of sales and the issuances directly with the investors in the market.
In the primary market, the organization initially selling various types of products and the services to the investor directly to the investors. This is also refers as the new issuing market place.
According to the question, Ina vestor is agree on buying the IPO then the trading is basically taking place in primary market.
Therefore, Option (C) is correct.