If 'comment' in the question is an English word, then the response depends entirely on what comment was made and about what.
If 'comment' in the question is the french word "comment ?" ,which is usually followed by a question mark or an exclamation mark, this is a reaction to what you just said. Some possible meanings are
The nearest single English word to translate "comment" is 'what ?"
c'est comment means 'how is it' in French.
Comment viens-tu à l'école? in French is "How do you come to school?" in English.
"Comment ça va?" is how you say "How have you been?" in French
Salut, comment vas-tu
Comment était ta journée?
"How?" in English is Comment? in French.
"Comment s'appelle ton père" in French translates to "What is your father's name?" in English. So, if someone asks you that, you can simply respond with your father's name. Easy peasy lemon squeezy!
Comment? in French is "How?" in English.
comment means 'how' in French.
c'est comment means 'how is it' in French.
No comment is "sans commentaire" or "pas de commentaire" in French.
comment(CUHM-oh)
It can be either one, depending on your meaning. You would "respond to" a question or comment directed at you. You would "respond for" someone else who cannot respond for themselves.
The French phrase "How are you?" is spelled "Comment ça va ?" or "Comment vas-tu ?"
comment t'appelles-tu? / comment tu t'appelles? = what's your name?
a comment is un commentaire
"Comment ça va?" is how you ask "How are you doing?" in French.