Medication use

Take one tablet every 4 to 6 hours.
Not more than 3 tablets in 12 hours.
Take tablet with 8 ounces of water.
Check back with doctor if symptoms are not relieved in 2 days.
43. Using the medication label above, which of the following dosing schedules should the person follow?
a. 9am, 1pm, 7pm, 9pm
b. 6am, 11am, 3pm, 7pm
c. 8am, 10am, 12pm, 4pm, 8pm
d. 7am, 9am, 3pm, 8pm
i choose b, is it correct?