Refer to the exhibit.

Based on the exhibit, what is the appropriate action to disable a path?

A.
Paths cannot be disabled in this interface.

B.
Right-click the path you want to disable and then select Disable

C.
Click, the path you want to disable then press Delete

D.
Double-click the new path you wish to make active. The existing path will be disabled

Explanation:
http://pubs.vmware.com/vsphere-50/topic/com.vmware.vsphere.storage.doc_50/GUID-FC0346B1-7A32-4A49-9415-F93260367200.html
or
Page 164 vsphere-esxi-vcenter-server-50-storage-guide.pdf

Disable Paths

You can temporarily disable paths for maintenance or other reasons. You can do so using the vSphere Client.
Procedure
5. Open the Manage Paths dialog box either from the Datastores or Devices view.
6. In the Paths panel, right-click the path to disable, and select Disable.
7. Click OK to save your settings and exit the dialog box.
You can also disable a path from the adapters Paths view by right-clicking the path in the list and selecting Disable.