One of the customs officers, who was watching the arrivals very , saw feathers from under

One of the customs officers, who was watching the arrivals very , saw feathers from under a woman’s coat.
A. closely; falling
B. close; fall
C. closely; fall
D. close; falling

(答案→)A. closely; falling B. close; fallC. closely; fallD. close; falling解析：第一空考查副词辨析：close是“靠近地”closely是“仔细地”，第二空考查see +宾语+doing“看见某人正在做”，句意是：一个正密切关注到的人的海关官员看见羽毛正从一个妇女衣服下面掉下。选A。

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