Which of the following will run a file named myscript every 23 minutes past midnight every two hours?

Which of the following will run a file named myscript every 23 minutes past midnight every two
hours?

A.
23 0-23/2 * * * /myscript

B.
23 */0-23 * * * /myscript

C.
23 @2 * * * /myscript

D.
11 2/0-23 * * * /myscript