using intellectualization as a defense mechanism

What statement best describes a person using intellectualization as a defense mechanism?

Lin decides that she could have done more to prevent her illness and blames herself.

Tyler studies his illness carefully, but remains emotionally detached from it.

Bella has been diagnosed with a serious illness, but is choosing to pretend like nothing is wrong.

Casey is angry about being diagnosed with a chronic illness, but she takes her anger out on her family members.