---I was trying to carry out the plan, but I failed.

---Well, you _________, for we were uncertain it would do ________.

A．needn’t do that, in fact

B．needn’t have done, in effect

C．needn’t have, in practice

D．needn’t, in time

甲将一幅名画出售给乙，约定1个月后交付。但丙愿出更高的价格，甲擅自将画出卖给丙，并当时交付给丙。在此情况下，乙应如何办( )

A．乙有权要求丙将该画交付给自己，因为其与甲的买卖合同成立在先

B．乙有权要求甲交付该画，甲应当向丙请求返还该画，而丙亦应当返还

C．乙无权要求丙交付该画，因为丙已取得该画的所有权

D．乙有权要求甲承担不履行买卖合同的违约责任