Trapezoid A B C D has bases \overline{A B} and \overline{C D} and diagonals intersecting at K. Suppose that A B=9, D C=12, and the area of \triangle A K D is 24. What is the area of trapezoid A B C D ?

**Answer Choices**

A. 92

B. 94

C. 96

D. 98

E. 100