---Three problems are too hard to ______．Will you give me some advice?---There are many ways．The mostt important is to have a careful plan．A.work outB.look outC.hand outD.break out
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A解析动词短语辨析work out算出，制定出；look out当心，小心挑选出；hand out 分发，施舍；break out(战争、火灾等)爆发，(疾病的)突然发生