单选题Which is characteristic of the Business Delegate pattern？（）AIt decreases complexity by removing a layer of proxy classes.BIt reduces coupling between tiers by hiding implementation details.CIt decreases performance due to the lack of caching of remote
题目
单选题
Which is characteristic of the Business Delegate pattern？（）
A
It decreases complexity by removing a layer of proxy classes.
B
It reduces coupling between tiers by hiding implementation details.
C
It decreases performance due to the lack of caching of remote data.
D
It forces business-tier expectations to be dealt with in the presentation-tier.