Plz answer me

Dear Student 

According to Chargraff's rule:
The purine and pyrimidines are present in equal amounts.
So A=T and G=C
Given: Cytosine = 17%
C=17% 
So, G=17%
Then, A+T+C+G=100
A+T+17+17=100
A+T=100-34
A+T=66
(Since A=T)
A=T=33%
Ans. Option B is correct  
Regards