Gaby lists the numbers 3,4,5,6,7,8, and 9. In her list, the ratio of the number of prime numbers to the number of composite numbers is

**Answer Choices**

A. 3:4

B. 5:2

C. 2:5

D. 3:7

E. 1:6

Gaby lists the numbers 3,4,5,6,7,8, and 9. In her list, the ratio of the number of prime numbers to the number of composite numbers is

**Answer Choices**

A. 3:4

B. 5:2

C. 2:5

D. 3:7

E. 1:6