I thinks it's a or c hop this helps but I think it's A
Because an organ is a group of tissues that work together for the overall function of the organ, and an organ system is a group of organs that work together to perform a specific function.
In the story "Miss Evers' Boys", there is a proposed study to not give antibiotics to a man who could potentially benefit from its use. However, if the antibiotics do not work and the man dies, then others will not want to try it. Nurse Evers objects that there is no formal consent in this proposed study, but she then offers to give the men free rides and meals in exchange for their consent.
The timer/recorder team member I think?
