Consider the following snippet of code: string msg - ""; for (int i = 6; i > 0; i--) { msg - msg + i; Label1.Text = "Output is: " + msg; Which of the following outputs is true? Select one: O A. Output is: 654321 OB. Output is: 123456 O C. The code contains syntax errors OD. Output is: 6543210 Consider the following snippet of code: string grade - "fail"; switch (grade) { case "Fail": Label1.Text = "Failed"; break; case "Pass": Label1.Text = "Passed"; break; default: Label1.Text = "Undefined"; break; Which of the following outputs is true? Select one: O A. The code contains syntax errors O B. Passed O C. Failed OD Undefined