Wings of Insects and Birds Are Result of Convergent Evolution

Multiple Choice

Wings of insects and birds are result of convergent evolution.This means that

A) these organisms are unrelated but have similar adaptations.
B) these organisms share a recent common ancestor and so have similar adaptations.
C) these organisms have different adaptations to different environments.
D) insects and birds have each independently evolved structures that serve the same function (flight) but have done so in very different ways.
E) the insects and birds must be related to possess such similar qualities.