What radiographic finding is characteristic of epiglottitis, and what are the common causative organisms?
A) Butterfly sign, Streptococcus pyogenes and Haemophilus influenzae type B (HiB)
B) Thumb sign, Staphylococcus aureus and Streptococcus pneumoniae
C) Bat sign, Mycoplasma pneumoniae and Chlamydia trachomatis
D) Crescent sign, Escherichia coli and Klebsiella pneumoniae