I think C would be the best answer.
What you do is 30 pictures Divided by 6,which equals 5.
Or another way is multiply upwards
ex.6x3=18 (keep going)6x4=24(keep going)untill you get 30,6x5=30
The cat sat on the couch waiting to spring on the dog , suddenly jumping on the dogs back.
context clue is jumping
Positive: Gaze
Negative: Glare
Just to give an example