四六级考试

试题来源：专业四级-157
【单选题】 He carried the parcel home himself, but he ______ so, the shop could have sent it.
A．did not need to do
B．needn't have done
C．must not have done
D．couldn't have done

参考答案：B
网考网解析：
注意didn't need to do 和needn't have．done的区别。前者指没有必要干某事，而且也并没有这样做，而后者指没有必要干某事却多余地干了。试比较； Your brother didn't... 查看试题解析出处>>