The last one because all the verbs are in past tense. The other two answers have mixed tenses.
Explanation:
My puppy ripped (past tense) apart his toys and then hides (present tense) them around the house. My puppy rips (present tense) apart his toys and then hid (past tense) them around the house. My puppy ripped (past tense) apart his toys and then hid (past tense) them around the house.Hope this helps!
The answer to the question is A