Answer: A. { canary, seagull, crow}
Explanation:
Since according to the given table,
Canary is a bird that can fly,
Seagull is a bird that can fly,
Crow is a bird that can fly,
Thus, The Birds that can fly are canary, seagull and crow
Hence, the set of birds that can fly = { Canary, seagull, crow }
This is why Option A is correct.