It will be clearly B.38mm3
I think my answer is a because it can’t be B and it can’t be C and it can’t be D so my answer is a
The answer is 12.21 you find this by dividing 149 by ten and then 11 then 12 next 13 then realize you went too far and its some where around 12. somthing. I know that was confusing but thats the only way i can explain it or just put this into a calculator: