In B2B Markets, Firms Engage in Reciprocal Buying Arrangements, as It

In B2B markets, firms engage in reciprocal buying arrangements, as it:

A) ensures the buying of products and services of the best quality.
B) ensures that all vendors are considered in the purchase process.
C) ensures similar performances compared to previous purchases.
D) helps to build long-term relationships between buyers and sellers.
E) offers a wide range of products to choose from.