Answer:
Option b It executes a new process, which runs at the same time as the parent
Explanation:
The exec is one of the Java Runtime methods which is used to create a new process and run it as an separate process. Exec method executes the string command that we place inside the bracket. For example,
Process proc = Runtime.getRuntime().exec("Notepad.exe");
The statement above offers a convenient way to open the another computer software such as Notepad when running the program.
D is the answer to that problem