Easy, Beags, D is also wrong. You can maintain straight flight below Vmca etc by throttling back the live engines. I can't think why you might want to try gliding in the Vs to 1.2Vs range, but with skill it could be done.
I guess this question is a translation from some other JAA language, and has lost something in the translation.
We fight a continual battle to get clear and unambiguous questions and this is not one of them!
Dick