What does Helena mean by "I am as ugly as a bear"? She thinks she is safe in the woods because she is so angry she will yell at any wild animal that approaches her and scare it off.

She thinks Demetrius left her in the woods because her mood was so ugly that she snarled like a bear.

She believes that Demetrius rejected her because she is not as pretty as Hermia.

She believes she scared Demetrius away by yelling at him.