They are a bit anal there , and do n't like people buying codeine products and try to get you to buy some alternative or go see your doctor . It 's the only thing that works on my headaches , so that 's what I buy . However , I let them talk me into buying vitamin B tablets .

Based on the preceding passage, choose your answer for question Which of the following is true of the narrator ?
Select from: a). They are annoyed by different regulations .. b). None of the above choices .. c). They are a bit anal and do n't like buying codeine .. d). They are helped by vitamin tablets ..
The answer is:
a).