What Would Be the Results of Executing the Following Code

Multiple Choice

What would be the results of executing the following code?
StringBuilder str = new StringBuilder(12) ;
Str) append("The cow") ;
Str) append(" jumped over the ") ;
Str) append("moon.") ;

A) The program would crash.
B) str would reference "The cow jump".
C) str would reference "The cow jumped over the ".
D) str would reference "The cow jumped over the moon."