The endosymbiotic theory opposes that mitochondria in eukaryotic cells rose from C. Endosymbiotic prokaryotes that metabolized oxygen.
Since I can't physically insert the appropriate heading, with units, I'll make the data table below by using the information given.
Disk-----------Measurement of ZOI (mm) also acceptable is ZOI (mm)
A--------------13 ( +/- 2 mm)
B--------------8
C-------------0
D-------------9