Which is the valid method for retrieving the folder named…?

Which is the valid method for retrieving the folder named “example1” located in the
“dmadmin” cabinet, given that the “dmadmin” cabinet only contains one folder and that session is
a valid IDfSession object?

A.
IDfFolder folder =session.getFolderByPath(“example1”);

B.
IDfFolder folder =session.getFolderByPath(“/dmadmin”);

C.
IDfFolder folder = (IDfFolder)session.getObjectByPath(“/dmadmin”);

D.
IDfFolder folder =session.getFolderByPath(“/dmadmin/example1”);