单选题 He was so ______ at tying fisherman's flies that he was asked to demonstrate his technique at sports fairs and exhibitions.

【正确答案】 B
【答案解析】(adroit灵巧的)。句意为：他很善于系作钓饵用的假蝇，因此有人请他在体育商品交易会及展览会展示他的技艺。A．applicable能应用的；C．fancy花哨的，奇特的；D． impressed被感动的。