Use commas to separate parts of a date from the rest of the sentence. On October 1st 1975 my mother was born. Choose 1 Choose 1 (Choice A) A On\redD{,},start color #e84d39, comma, end color #e84d39 October 1st\redD{,},start color #e84d39, comma, end color #e84d39 1975 my mother was born. (Choice B) B On October 1st\redD{,},start color #e84d39, comma, end color #e84d39 1975\redD{,},start color #e84d39, comma, end color #e84d39 my mother was born. (Choice C) C On October\redD{,},start color #e84d39, comma, end color #e84d39 1st\redD{,},start color #e84d39, comma, end color #e84d39 1975\redD{,},start color #e84d39, comma, end color #e84d39 my mother was born.