You use Microsoft SQL Server 2012 to develop a database application. Your application sends
data to an NVARCHAR(MAX) variable named @var. You need to write a Transact-SQL statement
that will find out the success of a cast to a decimal (36,9). Which code segment should you use?

A.
Option A

B.
Option B

C.
Option C

D.
Option D

Explanation:
http://msdn.microsoft.com/en-us/library/hh213126.aspx