Answer:
it might be D.
Explanation:
I honestly am going off of what I can remember in school.
Dog, cat,
Have hair
warm blooded
Because sugar in fruits is good for you but artificial sugar isn’t healthy for you
As covalent bonds are strong it makes the sugar phosphate backbone a stable molecule which will HV less chances for a mutation while the huydrogen bonds exist for the ease of DNA replication as they are strong in a way but weak for the replication to take place easily.
