題目:計(jì)劃的靈活性是指:A. 計(jì)劃應(yīng)具有可調(diào)整性B. 計(jì)劃應(yīng)具有前瞻性C. 計(jì)劃應(yīng)具有具體性D. 計(jì)劃應(yīng)具有約束性