help plz! Describe and correct the error a student made when solving for x. Describe the error the student made. Choose the correct answer below. A. The student cannot divide both sides by k in the fourth line without knowing that k is not equal to 0. B. The equation was not solved for x because x appears on both sides of the equation. C. The solution is not complete until the student subtracts 3 from 4 in the last line. D. The equation was not solved for x because k is still in the equation.