The new meds I bought him did not work all day , either . He remained miserable . So , I did a healing spell for him after the maximum doses had been taken and had not worked . nothing complicated , just my simple but packs the wallop spell .

Q with options: Give answer the following question using evidence from the above passage: What may be the reason why the pain medicine was n't working ?
Possible answers:
[A]. Their pain was too intense .;
[B]. They took too much .;
[C]. They did n't wait long enough for it to work .;
[D]. They did n't take enough of it .;
[A].