Quite a few people like traveling for it can increase their knowledge and broaden their

问题补充：

Quite a few people like traveling, for it can increase their knowledge and broaden their ．

A. features

B. horizons

C. heritage

D. reservations

答案：

A. features

(答案→)B. horizons

C. heritage

D. reservations

解析：词义辨析. A．特征;容貌 B．地平线.眼界 C．遗产;传统 D．保留;预定.句意:相当不少的人喜欢旅行,因为它可以增加他们的只是和拓宽他们的眼界.故选B.