You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now in a high security environment, you manage a SQL Server 2008 cluster. You intend to configure and use encrypted connections for the clustered virtual SQL Server. You have to install a certificate. The cetification will be used for encryption. What should you do?（）

A. In the cluster quorum drive, install the encryption certificate
B. In the SQL Server shared disk, install the encryption certificate
C. in the cluster group, install the encryption certificate.
D. On each individual node, install the encryption certificate