Markthe letter A, B, C or D to indicate the sentence that best combines each pair of sentences in the following questions.
Question 29: The agreement ended six-month negotiation. It was signed yesterday.
A. The agreement which ends six-month negotiation was signed yesterday.
B. The agreement which was signed yesterday ended six-month negotiation.
C. The agreement which was signed yesterday lasted six months.
D. The negotiation which lasted six months was signed yesterday.