which is expected to generate high I/O?

Which virtual SCSI controller would be recommended when deploying a Windows Server 2012 R2 VM that will
host a database server which is expected to generate high I/O?

A.
LSI Logic

B.
PVSCSI

C.
LSI Logic SAS

D.
BusLogic

Explanation:
http://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/solutions/sql-server-onvmware-best-practices-guide.pdf