单项选择题

Passage 10
In the late 1960’s, many people in North America turned their attention to environmental problems, and new steel-and-glass skyscrapers were widely criticized. Ecologists pointing (1) that a cluster of tall buildings in a city often overburdens public transportation and parking lot (2)
Skyscrapers are also enormous (3) , and wasters, of electric power. In one recent year, the addition (4) 17 million square feet of skyscraper office space in New York City raised the (5) daily demand for electricity by 120,000 kilowatts--enough to (6) the entire city of Albany for a day. Glass-walled skyscraper can be especially (7) . The heat
Still, people (19) to build skyscrapers for all the reasons that they have always built them--personal ambition and the 20 of owners to have the largest possible amount of rentable space.

A.wish
B.desire
C.secret
D.promise