题干
______ you have a talk with him, you will know he is a good person.
A：Though
B：Once
C：Because
D：Unless
答案(点此获取答案解析）
B
______ you have a talk with him, you will know he is a good person.
A：Though
B：Once
C：Because
D：Unless
，则下列结论正确的是 （ ）
