The API Integration pattern is used to enable which use case?

The API Integration pattern is used to enable which use case?
A . Synchronous point-to-point access to services in closed heritage systems or heterogeneous backends
B . Synchronous access to fine-grained services across various backends
C . Asynchronous many-to-many coordination of services across multicloud and on-premises contexts
D . Asynchronous point-to-point access to services in closed heritage systems or heterogeneous backends

Answer: D