The correct answer depends on what form you want to give the answer in. If you want to give the total number of hits or misses, the correct answer would be “B”, any whole number between 0 and 8. This is an empirical data point, and simply gives the total she made or missed. If you want to give a percentage, or a decimal point out of 100, the answer “A” would be better: any number between 0 and 1.
This is also empirical data, since it is a number. This gives the person a good idea of what percentage she made or missed, and would be a good answer if the shooter is looking to predict what chance she has of making a certain shot.