Given the following class, what should be inserted into the two blanks to ensure the class data is properly encapsulated? 

A. private and getStuff

B. private and isStuff

C. public and getStuff

D. public and isStuff

E. None of the above

package storage; public class Box { } public String stuff; } String return stuff; } _() { public void setStuff (String stuff) { this.stuff stuff;