下列何者脫色劑是最佳用於Nocardia asteroides 之modified acid-fast stain？
1% \mathrm{H}_{2}\mathrm{SO}_{4}＋alcohol
\mathrm{H}_{2}
\mathrm{SO}_{4}
3% Acetic acid＋alcohol
3% HCl＋alcohol
1% Acetone＋alcohol
