Eric took their studies far more seriously than Derrick, because 
OPTIONS:
- Eric was more concerned with graduating.
- Derrick was more concerned with graduating.
Eric was more concerned with graduating.

Tammy was treated for depression at the clinic and was overcharged but the 
OPTIONS:
- depression was helpful.
- clinic was helpful.
clinic was helpful.

His temperature was significantly reduced when they added ice to the bath water.  The 
OPTIONS:
- ice enveloped him.
- water enveloped him.
water enveloped him.