单选题At last they______ an&nbs

问题补充：

单选题Atlastthey______anagreement______it.A.reached; onB.concluded; atC.arrived at; e to; in

答案：

A解析本题考查动词和解词辨析。句意：最终他们就此达成协议。reach/arrive at / come to an agreement达成协议; agreement on sth. 在某方面的协议。