Which PowerShell command should you use?

You administer an Azure subscription with an existing cloud service named
contosocloudservice. Contosocloudservice contains a set of related virtual machines (VMs)
named ContosoDC, ContosoSQL and ContosoWeb1.
You want to provision a new VM within contosocloudservice.

You need to use the latest gallery image to create a new Windows Server 2012 R2 VM that
has a target IOPS of 500 for any provisioned disks.
Which PowerShell command should you use?

A.
Option A

B.
Option B

C.
Option C

D.
Option D

Explanation:
http://msdn.microsoft.com/en-us/library/dn495159.aspx