Which sentence uses commas correctly?
a. In Los Angeles California Joan Benoit was the first to win the women's Olympic marathon.
b. As of March 18, 2014, Nigel's scout troop will meet at 201 Grand Avenue, Minneapolis, Minnesota.
c. Carlos Garcia lives at 53 Bluebird Lane Austin, Texas.
d. We moved from Reston Virginia on December 8, 2005.
