A play needs dialogue, so the second will be dialogue. A book has paragraphs. so paragraphs -> dialogue. Stanzas are poems and bodies are - actually I have no idea. Dialogue is needed in a play, so we don't want to change that, so not B, C or D
I think German healthcare workers resumed the T4 program becuase it is cruel to keep people alive who cant tell you they want to be alive, it is like keeping dogs alive who are in immense pain and are unable to be cured.