The ()for which he wanted to()with them is still unknown.a.reason_英语解答

The ()for which he wanted to()with them is still unknown.
a.reason;cause c.reason;reason
answer:c and why?

人气：188 ℃　时间：2020-06-22 09:48:28

解答

第一个reason解作名词
第二个reason解作动词
翻译过来：
他想跟他们理论（第二个）的原因（第一个）还是未知