In a SQL Statement while working with SqlCommand it returns a single value, at that time which method of Command Object will be used?

In a SQL Statement while working with SqlCommand it returns a single v

1.	In a SQL Statement while working with SqlCommand it returns a single value, at that time which method of Command Object will be used?
A.	ExecuteNonQuery
B.	ExecuteReader
C.	ExecuteScalar
D.	All of the above
Answer» D. All of the above