In which sequence of events does a read cache miss from a host to a LUN on SPA occur?

A.
SAP retrieves data from array disk, places into SPA read cache, then returns data back to the host

B.
SAP retrieves data from array disk. Then returns data back to the host

C.
SPA uses cache mirroring to make a request to SPB, retrives data from SPB cache, then retunes data back to the host

D.
SPA retrieves data from SPA cache, then returns data back to the host