You should have watched that glint in her eyes when speaking of her husband.

Answer: Option B

Disgust : a feeling of revulsion or strong disapproval aroused by something unpleasant or offensive.
Sparkle : shine brightly with flashes of light.
Anger : a strong feeling of annoyance, displeasure, or hostility.
Sadness : the condition or quality of being sad.
Glint : a small flash of light, especially a reflected one.

Synonym of Glint is Sparkle