Answer:
A. A place where investors can buy and sell different investments.
Step-by-step explanation:
A stock exchange is a place for the exchange of stocks in the market. In other words, it is a place where investors could 'meet' to buy or sell stocks, be it investments, company shares, or company securities.
A stock market, in simple words, is the marketplace for the buying and selling of investments, a trading place for buyers and sellers. So, a stock exchange is a transaction dealing with stocks, equities, or shares of the commercial world. And the transaction or exchange can only be done if the stock is listed on an exchange.
Thus, the correct answer is option A.