Given the following directory structure: bigProject |--source | |--Utils.java | |--classes |-- And the following command line invocation: javac -d classes source/Utils.java Assume the current directory is bigProject,what is the result? （）

• A、If the compile is successful, Utils.class is added to the source directory.
• B、The compiler returns an invalid flag error.
• C、If the compile is successful, Utils.class is added to the classes directory.
• D、If the compile is successful, Utils.class is added to the bigProject directory.