Business-to-consumer (B2C) e-commerce in the United States:
A) has grown at double-digit rates between 2010 and 2016.
B) has less revenue than C2C e-commerce.
C) now constitutes over 50% of the overall U.S. retail market.
D) is growing more slowly as it confronts its own fundamental limitations.
Answer: A) has grown at double-digit rates between 2010 and 2016.