Keeping a pet cultivates healthy living habits in pet owners.

He’s trying to<br/>___________<br/>a positive attitude to life. A: cultivate B: cultivates C: cultivated D: cultivation

A successful scientist______. A: has wide interests and reads original books or articles B: is a person with originality, which comes from his diverse knowledge C: not only reads widely but also cultivates diverse interests D: benefits more from teaching than from his research