Choose the correct statement from the following.

A. In computer terminology, variables are symbols which stand for some value.

B. An alternative method for executing the commands in the file backup is to make the file as directory.

C. The restricted shell gives more control to the system administrator and restricts the options of the user.

D. The decision making done by computer programs is in the form of conditional execution.

Please do not use chat terms. Example: avoid using "grt" instead of "great".