Answer:
C) the use of the Internet, the Web, and mobile apps to transact business
Explanation:
E-commerce refers to the economic commerce in which the buying and selling of goods and services are involved over and above electronic networks that we called the internet. It could be done in the following ways
1. Business to customer = B2C
2. Business to business = B2B
3. Customer to customer = C2C
And many more
By using mobile applications, the customer could easily order their products that are to be shown in different applications
Therefore the option C is correct