This new model of car is so expensive that it is beyond the reach of those with income.A.

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A. frequent
B. traditional
C. extra
(答案→)D. average
解析：考查词义辨析。frequent 频繁的，traditional 传统的，extra 额外的，average 平均的，句意：这种新型的汽车如此的贵以至于超出了那些平均收入的人的范围。所以选D。