Which is the most suitable addition sentence for the following picture ?
A 4 + 4 + 4 + 4
B 4 + 4 + 4 + 4 + 4
C 4 + 4 + 4 + 4 + 4 + 4
D 4 + 4 + 4 + 4 + 4 + 4 + 4
six time four
six time four