Write an inequality for the given statement: 4 times the sum of a number and 3 is at least 28.
A4x + 3 is greater than or equal to 28
B4 + 3x is greater than or equal to 28
C4(x + 3) is greater than or equal to 28
D4(3x) is greater than or equal to 28
A4x + 3 is greater than or equal to 28
B4 + 3x is greater than or equal to 28
C4(x + 3) is greater than or equal to 28
D4(3x) is greater than or equal to 28