Question

I think this is D
The giant "terror birds":
were flightless
were runners
are now extinct
all of these

Answer 1

are now extinct

Answer 2

They were flightless..Yes
They were runners..Yes
They have been extinct for million years..

Answer 3

i think ryaan is right... they were flightless but used their wings for fast running nd jumps

Answer 4

I wasn't there in the distant past to witness all these descriptions except that they are now extinct

Answer 5

so I am right?

Answer 6

why wouldn't you be?