The word" antagonism" (Line 8, Para. 2) probably means ______.

A．rational judgment is important in face of unfavorable public opinion
B．public opinion is all the more important in difficult time
C．it is advisable to ignore public opinion in handling bad economic situations
D．it is important to be on good terms with both the Congress and the public

A．their knowledge about the sea
B．the hard pressure they bore
C．the Dutch government prohibited treasure hunting
D．their persistence and creative method