By saying "an uphill battle", the author means

A．the political circle will offer the help to the high schools.
B．giving a presentation is beneficial to students.
C．teaching methods have to be changed.
D．students are afraid to talk to strangers.

A．the divisions among people results from their property.
B．a high-caliber science student graduates from a ordinary high school.
C．the small alterations should be done immediately.
D．the society's help to inner-city schools is inadequate.