The king ordered that magic cloth____be woven at once for himA.could B.needs C.ought to D.should答案应该选D,为什么?请说明原因,

The king ordered that magic cloth____be woven at once for himA.could B.needs C.ought to D.should答案应该选D,为什么?请说明原因,
The king ordered that magic cloth____be woven at once for him
A.could B.needs C.ought to D.should
答案应该选D,为什么?请说明原因,

The king ordered that magic cloth____be woven at once for himA.could B.needs C.ought to D.should答案应该选D,为什么?请说明原因,
order引导的宾语从句,要用虚拟语气should+动词原形

order/suggest/demand etc 后面跟虚拟语气，即sth should be done, 且should可以省略

C. ought to
是国王命令他如何如何 用ought to比较强硬的语气
should 是应该 比较委婉 而且“应该”是一回事，他要不要照做是另一回事