Find a parametrization for the curve. The upper half of the parabola x + 4 = y . . . Choose the correct answer below. O A. x= t, y= 12 - 4, 154 O B. x= 12 - 4, y=t, tso O C. x= t, y= 12 + 4, 120 OD. X= 12 - 4, y=t, 120 OE. x= 12 + 4, y= t, 124 OF. x=t, y=12 + 4, 124