What caused the error?

When attempting to install Oracle Enterprise Manager agent software directly on an Exadata storage cell, you
get an error.
What caused the error?

A.
The Enterprise Manager agent software is installed only on the Enterprise Manager repository.

B.
The Enterprise Manager agent software is not a supported version for the storage cell.

C.
Additional software should not be installed on the Exadata storage cell.

D.
The Enterprise Manager agent software should be installed by using the YUM repository.