The situation D is a drawback of E-Commerce, i-e, Theft of credit card.
E commerce is simply conducting business electronically. When business is conducted electronically over internet through a site which is depicting a store or an outlet, there are many disadvantages associated with it along with numerous advantages. These disadvantages may include the lack of personal touch, delay in providing the goods or services, etc. But the biggest and the main disadvantage of E commerce is Security. People purchase products over internet through their credit cards. They give their personal information to that site. This is very sensitive information, and there are many sites now a days that are totally scams, fake and are indulged in the fraudulent activities. They may take the customers' information and can use their details somewhere else. So this is the biggest theft for conducting business electronically.