He ________ that they needed more time to finish the project, and I was finally convinced and allowed them another two months．

A.said

B.explained

C.argued

D.asked

答案及解析： C

解析：

根据题意可知，“我”被说服了，说明“他”就此事是和我“争辩”了，而不仅仅是说(say)了一声。如果是解释(explain)，则应用why引导宾语从句，因为需要解释的是理由。