Martin Luther King, Jr. who delivered a famous speech named I Have a Dream was the leader of _____ in U.S.

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.

A．Because his employer prohibits him to trade equities on a short-term basis.
B．Because he believes that long-term return will balance out short-term fluctuation.
C．Because he is misguided by the loyalty to the idea of "buy and hold."
D．Because he is an active investor and keeps an eye on stock markets every day.