Question 16  
Lien has a new container of eight crayons. Except for the color, each crayon is identical. Using a balance, Lien finds that the mass of the box with crayons in it is 53 grams. She measures the mass of just one crayon next. Its mass is 6 grams. What is the mass of the box alone?

A: 4 grams

B: 2 Grams

C: 5 grams

D: 3 grams