---How did you ________ French?---My experience helps a lot, in fact．I had lived in Paris with my aunt for 2 years before I came to England．A.pick outB.pick upC.set upD.set out
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B解析pick up“偶然学会；学得”；pick out“挑选，辨认出”；set up“建立”；set out“出发；着手”。答语也印证了这一点。