Which of the following expressions in italics introduces...

A "… world filled with fantastic new problems as well as exciting new possibilities." (lines 3-4) B "We have no idea of what the world will look in five years, … yet we are charged with preparing our students for life in that world." (lines 12-14) C "…provide unlimited possibilities for exciting new discoveries and developments such as new forms of energy, medical advances, restoration of environmentally ravaged areas,"(lines 28-30) D "So, there must be a dramatic departure from the factorymodel education of the past." (lines 57-58) E "It is abandonment, finally, of textbook-driven, teachercentered, paper and pencil schooling." (lines 58-60)