In the( ),businesses offer services for which they charge a fee that is based on
In the（ ），businesses offer services for which they charge a fee that is based on the number of size of transactions they process.Some of these services lend thenselves well to operating on the Web.
A.Fee-for-Transaction Revenue Model
B.Advertising-Suppored Revenue Models
C.Web Catalogue Revenue Models
D.Value chain
正确答案：A
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