A. - incorrect, we can see that Jack need add 1 more layer on picture
B. - correct. 8×2=16
C. - correct. cube's side is 1 centimeter, 1×8=8
D. - incorrect, we can see that box is 2 centimeters high
E. - correct

F - incorrect, i counted volume in E
Answer: BCE
Sorry if i have mistakes in text, i'm from russia tho