The last sentence is the correct one.
Jumpy shy anxious tense scared nervy
The correct answer is C. Hyperbole. This is because her eyes do not really shine goodly light nor do they shine by night, he is just overreacting. It isn't a simile because it doesn't have the famous "as something as something" pattern, nor are they a metaphor because he describes her eyes obviously and doesn't try to symbolically represent them. They aren't personified and do not show human emotions or thoughts and opinions, or behavior.
