An 89-year-old female is short of breath and has a fever. Her SpO2 is low and she has crackles and coarse breath sounds to both lungs. When getting history from her family caregivers, which of the following would make you suspicious that the patient has aspiration pneumonia?

A) Her legs and ankles seem more swollen today.
B) She was fine until just after eating lunch.
C) Her doctor prescribed an antibiotic for her sinus infection.
D) She has not been feeling well for three days.

B