Which of the Following Is a Difference Between Business-To-Consumer (B2C)

Which of the following is a difference between business-to-consumer (B2C) e-commerce and business-to-business (B2B) e-commerce?

A) In B2C e-commerce, the number of customers in the target market is very large, whereas in B2B e-commerce, the number of customers in the target market is often limited to a few major business customers.
B) In B2C e-commerce, the size of a typical individual transaction is very large, whereas in B2B e-commerce, the size of a typical individual transaction is relatively small.
C) In B2C e-commerce, customers usually do careful multiple research before making a purchase, whereas in B2B e-commerce, purchases are mostly based on impulse.
D) In B2C e-commerce, buyers and sellers often develop close and long-lasting relationships, whereas in B2B e-commerce, firms seldom develop a close working relationship with individual customers.