3. Barbie's father is a smoker for a long period of time. After being diagnosed
with a serious lung disease, he decided to stop smoking and live a healthy
lifestyle by eating nutritious food and exercising regularly. What can you infer
about his situation?
A. He will not survive.
B. He will totally recover.
C. He will regain healthy body but some parts of his body still need to
recover for years.
D. He still have the chance to live for a couple of months if he will engage in
healthy lifestyle.​