Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
The agreement ended six-month negotiation. It was signed yesterday.
A.The agreement which was signed yesterday lasted six-month.
B.The agreement which was signed yesterday ended six-month negotiation.
C.The agreement which ends six-month negotiation was signed yesterday.
D.The agreement which lasted six-month was signed yesterday.

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