According to the research of Yale and the University of Pittsburgh,A．there was a link betw

According to the research of Yale and the University of Pittsburgh,

A．there was a link between a company's success and the personality of its boss.

B．There was no connection between a firm's success and its boss's personality.

C．people could judge a professor's ability by watching short film-clips of lecturing.

D．people could judge a professor's ability only after attending lectures for a full semester.