Money is:

A. anything that can easily be used to buy goods and services.

B. currency and stocks.

C. paper money and coins but not checks.

D. None of the answers is correct.

The correct answer is letter "A": anything that can easily be used to buy goods and services.

Explanation:

Money is nowadays currency useful to make easier transactions individuals make. Money has three functions: unit of account - measures in numeric terms the value of goods or services, store of wealth - accumulating money increases people's wealth, and medium of exchange - facilitates the purchases and sales of products through a currency accepted by both buyers and sellers.