Which of the Following Is a Properly Stated Informative Speech

Which of the following is a properly stated informative speech specific purpose statement?

A) At the end of my speech, my audience will understand why benefits should be cut from the military.
B) At the end of my speech, my audience will be able to select an embroidery design and sew it out on fabric they have hooped.
C) At the end of my speech, my audience will understand why a luxury car isn't really a luxury.
D) At the end of my speech, my audience will know how to vote in the next election.