You are employed as a developer at ABC.com. ABC.com has a single Active Directory domain,
named ABC.com.
You are running a training exercise for junior developers. You are currently discussing the
placement of commands relevant to a selected item. As a rule, these commands are placed to the
left of the app bar.
Which of the following is a reason for this?

A.
It looks prettier.

B.
So that users can predict where the commands will be.

C.
Since most people are right-handed, this prevents their arms or hands from blocking their view
of the commands.

D.
So that the bar stays visible.

Explanation:
http://msdn.microsoft.com/en-us/library/windows/apps/hh465302.aspx