Refer to the Structure of 3-Methylbutan-2-One Below to Answer the Following

Refer to the structure of 3-methylbutan-2-one below to answer the following question(s) .
-Refer to instructions. What is the ratio of peak areas upon integration of the spectrum for A, B, and C respectively?

A) 3:1:3:3
B) 1:1:6
C) 1:1:6.0
D) 3:1:6