From the passage, which of the following can be inferred about Harvard College before progressive changes occurred

A．free competition may help solve the problems confronting aviation industry
B．problems in America are more of a political nature than that in Europe
C．car industry should exert a more powerful influence on aviation industry
D．them is still a long way to go before the problems can be solved

A．Goldman has made a profit from this transaction of shares with Turner
B．Turner always expresses his dissatisfaction with the corporation openly
C．Goldman bought the block of shares in order to become a member of the board
D．Turner sold a large portion of his shares to retreat from the media business