Answer: A. All of the kittens are black with white paws.
Explanation: Subject-verb agreement is simply to use singular verbs with singular subjects and plural verbs with plural subjects. In the given sentence the subject is "all of the kittens" this is a plural subject, therefore, we need to use a plural verb to have a correct subject-verb agreement, from the given options, the only one that uses the correct conjugation is option A: All of the kittens are black with white paws.
