D: JANUARY 9, 1983, IS MY BIRTHDAY .
This sentence correctly uses commas. There needs to be a comma after the specific day and the year. The other sentences are missing commas or have too many. In A: i was born in bryan texas . There should be a comma between Bryan and Texas. B: IN JUNE, 1826 MY GREAT-GRANDFATHER CAME TO AMERICA . There should not be a comma after the month. C: PATRICIA HAMMOND MD WILL BE SPEAKING ABOUT SKIN CANCER . There should be a comma between Hammond and MD.