Given a file GrizzlyBear.java：  1. package animals.mammals；  2.  3. public class GrizzlyBear extends Bear {  4. void hunt（） {  5. Salmon s = findSalmon（）；  6. s.consume（）；  7. }  8. }  and another file， Salmon.java：  1. package animals.fish； 2.  3. public class Salmon extends Fish {  4. void consume（） { /* do stuff */ }  5. }  Assume both classes are defined in the correct directories for theft packages， and that the Mammal class correctly defines the findSalmon（） method. Which two changes allow this code to compile correctly？（）

• A、 add public to the start of line 4 in Salmon.java
• B、 add public to the start of line 4 in GrizzlyBear.java
• C、 add import animals.mammals.*； at line 2 in Salmon.java
• D、 add import animals.fish.*； at line 2 in GrizzlyBear.java
• E、 add import animals.fish.Salmon.*； at line 2 in GrizzlyBear.java
• F、 add import animals.mammals.GrizzlyBear.*；at line 2 in Salmon.java