Direction : The graph shows the number of bookmarks each student made

How many more bookmarks did Sona make than Vinod ?
A3
B2
C7
D4
How this answer is wrong ? Because sona have 7 book mark and vinod have 6 so 3 more
Direction : The graph shows the number of bookmarks each student made

How many more bookmarks did Sona make than Vinod ?
A3
B2
C7
D4