What is the largest number of solid 2 -in \times 2-in \times 1-in blocks that can fit in a 3 -in \times 2-in \times 3-in box?

**Answer Choices**

A. 3

B. 4

C. 5

D. 6

E. 7

What is the largest number of solid 2 -in \times 2-in \times 1-in blocks that can fit in a 3 -in \times 2-in \times 3-in box?

**Answer Choices**

A. 3

B. 4

C. 5

D. 6

E. 7