New PhD'S Who Apply for Jobs Often Report That They Give

New Ph.D.'s who apply for jobs often report that they give better job talks in front of perfect strangers whom they may never see again than they do during dress rehearsals for their colleagues and professors before they leave for their interviews.These reports provide anecdotal evidence that

A) the presence of others rarely enhances performance.
B) the distraction of being in a new place serves as a source of arousal.
C) evaluation apprehension may be a source of social facilitation.
D) the presence of others facilitates social behaviours.
E) if performance is to be enhanced,arousal must be optimal.