What is the volume of tetrahedron A B C D with edge lengths A B=2, A C=3, A D=4, B C=\sqrt{13}, B D=2 \sqrt{5}, and C D=5 ?

**Answer Choices**

A. 3

B. 2 \sqrt{3}

C. 4

D. 3 \sqrt{3}

E. 6

What is the volume of tetrahedron A B C D with edge lengths A B=2, A C=3, A D=4, B C=\sqrt{13}, B D=2 \sqrt{5}, and C D=5 ?

**Answer Choices**

A. 3

B. 2 \sqrt{3}

C. 4

D. 3 \sqrt{3}

E. 6