In what level Mark has the highest increase in his grade compared to the previous levels?
A. Grade 8
B. Grade 9
C. Grade 11
D. Grade 12
![In What Level Mark Has The Highest Increase In His Grade Compared To The Previous LevelsA Grade 8B Grade 9C Grade 11D Grade 12 class=](https://ph-static.z-dn.net/files/db0/095bebb431e34063acb2d492742855e6.jpg)