URGENT I NEED IT RN (or withen 20 min)
The sparrow a small bird flew around the bend and out of site.

Which sentence is edited correctly?

a
The sparrow, a small bird, flew around the bend and out of sight.

b
The sparrow, a small bird flew around the bend, and out of site.

c
The sparrow a small bird flew around the Bend, and out of sight.

d
The sparrow, a small bird, had flown around the bend and out of site.