单选题：Given code below:

Given code below:
```Java
String s1 = "Hello";
String s2 = "Hell"+"o";
String s3 = "Hell";
s3 = s3+"o";
```
Which one below is correct? @[B](2)

A. s1 == s2 is true, s1 == s3 is true

B. s1 == s2 is true, s1 == s3 is false

C. s1 == s2 is false, s1 == s3 is false

D. s1 == s2 is false, s1 == s3 is true





A.s1 == s2 is true, s1 == s3 is true
B.s1 == s2 is true, s1 == s3 is false
C.s1 == s2 is false, s1 == s3 is false
D.s1 == s2 is false, s1 == s3 is true


答案：B