If jellyfish were birds, then they would have feathers; so jellyfish are not birds. Which of the following sentences could be added as a suppressed premise to make this argument valid?
A、 Jellyfish cannot fly.
B、 Birds are not fish.
C、 Jellyfish have feathers.
D、 Jellyfish do not have feathers.
发布时间：2025-09-05 21:20:50
