idk . i feel like , holy crap , what 's everyone 's deal . but i ' m being just as negative as everyone else . sometimes i feel like screaming at everyone , and then i think about it a little bit and i realize it wo n't help me any .

Generate a question about the above context.
What does idk mean ?
OPT:
1). I means I 'm done kidding ..
2). It means I Dream keenly ..
3). It is shorthand for I 'm unsure ..
4). None of the above choices ..