Which Windows PowerShell cmdlet should you run?

You are the Office 365 administrator for your company. A user named User1 from a partner organization
is permitted to sign in and use the Office 365 services.
User1 reports that the password expires in ten days. You must set the password to never expire.
Changes must NOT impact any other accounts.
You need to update the password policy for the user.
Which Windows PowerShell cmdlet should you run?

A.
Set-MsolPasswordPolicy

B.
Set-MsolPartnerlnformation

C.
Set-MsolUser

D.
Set-MsolUserPassword

Explanation:
http://onlinehelp.microsoft.com/en-ca/office365-enterprises/hh534387.aspx