Streptococcus Pneumoniae Is a Bacterium That Has Long Been Recognized

Streptococcus pneumoniae is a bacterium that has long been recognized as a major pathogen causing pneumonia. Based on its name, how might it look under a microscope?

A) Because it is a bacterium, it will be very small and difficult to distinguish.
B) It would look like a chain of round beads or balls.
C) It would be about the size of a eukaryotic cell.
D) both (b) and (c)