Given two files, GrizzlyBear.java and Salmon.java:

A:add import animals.mammals.*; at line 2 in Salmon.java
B:add import animals.fish.*; at line 2 in GrizzlyBear.java
C:add import animals.fish.Salmon.*; at line 2 in GrizzlyBear.java
D:add import animals.mammals.GrizzlyBear.*; at line 2 in Salmon.java
出自:Oracle认证