The correct options are
A Cutting nails
C Washing hand after using toilet
Following are few good habits that keep ourselves safe from getting diseases. They are called as personal hygiene.
1. Cutting nails.
2. Washing hands before and after each meal.
3. Washing hand after using a toilet.
4. Not using things like a comb, towel etc. which have been used by others.
5. Taking wash after playing.