I hear that you have caught a cold Yes ,nothing is serious ,---- 要详解 随便打字母的别来Abut B however Cthough Dalthough

I hear that you have caught a cold Yes ,nothing is serious ,---- 要详解 随便打字母的别来
Abut B however Cthough Dalthough

C.我听说你患感冒了.是的,不过没有严重的.表示but ,although 都置于句首；however 置于句首或句中.

选B 只有B选项能前后都加标点符号

选B
A 但是
B 然而
C 尽管（不能放于句尾）
D 尽管（不能置于句尾）