Final answer:
The correct SQL command to list all tables in the current database is d) SHOW TABLES;. This statement is used in MySQL to display table names after connecting to the desired database.
Step-by-step explanation:
To list the full set of tables in the currently selected database, the correct SQL statement to use is d) SHOW TABLES; This command is used in MySQL, a popular database management system, to display all the tables that are present in the database that you are currently connected to. After connecting to the database, you simply need to execute this command, and it will return a list of table names.