Which sentence has proper subject-verb agreement?(1 point)

Question

Responses

The squirrel over there are running away from the dog.
The squirrel over there are running away from the dog.

The cat are climbing the tree.
The cat are climbing the tree.

Those birds are singing a song.
Those birds are singing a song.

The dolphins at the aquarium is doing flips.

Answer 1

Those birds are singing a song.