Which of the following is absolutely neccessary to use a class Point present in namespace Graph stored in library?

[A].	Use fully qualified name of the Point class.
[B].	Use using statement before using the Point class.
[C].	Add Reference of the library before using the Point class.
[D].	Use using statement before using the Point class.
[E].	Copy the library into the current project directory before using the Point class.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.