How Does a C# Application Open a File

Multiple Choice

How does a C# application open a file?

A) It opens a file by associating the file with a memory address.
B) It opens a file by reading the contents into RAM and storing them internally as a string.
C) It opens a file by creating an object and associating a stream of bytes with that object.
D) It opens a file by reading each line of a file into an array.