You are employed as a developer at ABC.com. ABC.com has a single Active Directory domain,
named ABC.com.
You have created a new Windows Store app for ABC.com. You need to make sure that the app
meets the minimum height requirements.
Which of the following is the suitable option?

A.
320px.

B.
768px.

C.
1024px.

D.
1440px.

Explanation:
http://msdn.microsoft.com/en-us/library/windows/apps/bg182890.aspx