35yr Hiv patient comes with cough, sudden onset fever, chills, left sided chest pain that worsens with deep breathing. Bronchial breath sounds over left lower lung,CD4 count is 600.What is the organism causing this?

Question 1:

35yr HIV patient comes with cough, sudden onset fever, chills, left sided chest pain that worsens with deep breathing. Bronchial breath sounds over left lower lung,CD4 count is 600.What is the organism causing this?:
a.pneumocystis jiroveci
b. pneumococcus
c. cryptococcus
d. blastomycosis