34.The word “onset” in paragraph 2 is closest in meaning to _____ . (A) darkness (B) coldness (C) difficulty (D) beginning

15.As cities continue to grow at a dizzying rate, commuters are constantly battling ever-increasing ____ on the roads and a lack of parking, just to get to work. (A) contraction (B) congestion (C) compression (D) constriction