In 1992, employment in the manufacturing section was ______.

A．Inform students of the disadvantages of frying food.
B．Find other students who will work in the cafeteria.
C．Ask students to try a new dish he has made.
D．Collect students’ opinions about meals.

A．The skyscraper’s effect on urban areas.
B．Safety regulations for skyscraper design.
C．The development of the modern skyscraper.
D．Problems with future skyscraper construction.