Final answer:
Level 1 of NASDAQ shows the inside market, which refers to the best bid and offer prices for a security at a given point in time.
Step-by-step explanation:
In Level 1 of NASDAQ, the correct answer is a. The inside market. The inside market refers to the best bid and offer prices for a security at a given point in time. It represents the highest price a buyer is willing to pay (bid) and the lowest price a seller is willing to accept (offer). The inside market is important for traders and investors as it provides valuable information about the current supply and demand for a security