Spitzer goes in for his investigations in a routine that begins with______.

A．all the European countries have passed that constitution except France
B．people think France is always independent from the whole Europe
C．both the left and right accept Chirac's plans proposed to parliament
D．facts prove that France might not agree with the EU constitution

A．briefly introduce Lockheed, Sikorsky and the politics of purchase
B．primarily show the development and achievement of U.S. aerial industry
C．detailedly illustrate the author's feeling of visiting two air companies
D．concisely compare the domestic plane types with those foreign ones