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---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 |
C
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