Rosanna Scotto struggled to hold back tears while remembering her late mother, Marion Scotto. The longtime “Good Day New York” co-host became emotional during Tuesday’s broadcast of the Fox 5 morning show, marking her first day back at work since her mother’s death last month at age 90. Scotto, 68, choked up after hearing B.J. Thomas’ “Raindrops Keep Fallin’ on My Head” during the broadcast, saying, “Sorry, sorry, this song reminds me of my parents,” according to People. Through tears, Scotto thanked viewers for the outpouring of comments she’d received in the week since her mother’s death. “My mother would kill me right now if she saw…