Carl writes 14 7 . 2. 1 to find the quotient of 4 3 3 3 +23. What is his mistake? Choose the correct answer below. O A. Carl does not multiply by the reciprocal of the divisor. OB. Carl does not multiply by the reciprocal of the dividend. O C. The dividend written as a fraction is incorrect. OD. The divisor written as a fraction is incorrect.