为什么C是错的？

问题如下：

Which of the following statements about a platform business is least likely correct?

选项：

A.

A platform business is based on network effects.

B.

A platform business can not be a non-technology business.

C.

Value creation for customers for a platform business occurs externally

解释：

B is correct. A platform business can be a non-technology business.

While many think of platform businesses as being web-based or software-based, there are many older business models that qualify, such as brokerage and exchange businesses and transportation and communication networks.