According to the passage, the author's attitude towards Turnitin's anti-plagiarism software may be said to be ________.

A．Internet has beaten the companies devoted to academic cheating greatly
B．with Internet, students may find it even more difficult to do research work
C．the invention of Internet has created great opportunity for academic cheating
D．Internet has provided the students a rich source of material for paper compiling

A．signs that signalize public satisfaction with Bush's work
B．qualities that meet the leadership of the country
C．poll numbers that show Bush's job-approval ratings
D．issues that Bush has to handle before a reelection