i'm sorry to hear that you are ill,_____.I just have a cold.应该怎么回答?don't say so;nothing serious ;that's all right;all right

i'm sorry to hear that you are ill,_____.I just have a cold.应该怎么回答?don't say so;nothing serious ;that's all right;all right
i'm sorry to hear that you are ill,_____.I just have a cold.
应该怎么回答?
don't say so;nothing serious ;that's all right;all right

i'm sorry to hear that you are ill,_____.I just have a cold.应该怎么回答?don't say so;nothing serious ;that's all right;all right
Nothing serious
不懂追问