You are developing a Silverlight 4 application. The application contains a TextBlock control that has the DataContext property set to an object. The object exposes a property named Today of the DateTime data type. The Today property returns DateTime.Today. You need to display the string “Today is ” concatenated with the value of Today in the TextBlock control by using only XAML. Which binding expression should you use?
A.
{Binding Today, StringFormat=’Today is’}
B.
{Binding Today, StringFormat=’Today is {0}’}
C.
{Binding Today, ConverterParameter=’Today is ‘}
D.
{Binding Today, StringFormat=’Today is {Today}’}