The analysis of three different binary oxides of bromine (Br) and oxygen (O) gives the following results

Which of the following statements is not correct? 

I. Compound Y is $$\text{Br}_2\text{O}_3$$ 

II. Compound Z is $$\text{Br}_2\text{O}_5$$

III. Compound Z is $$\text{Br}_2\text{O}_7$$ 

IV. Compound Y is $$\text{Br}_2\text{O}_5$$

A

I and III

B

II and IV

C

III and IV

D

I and II