I got C. it is a homogenous mixture and particles settle down if left undisturbed.
Answer:
The tertiary structure is functional as it has the non-covalent and covalent bonds along with the subunits attached at the right places, which help it function properly.
It could either be B or C
Someone can know what happened and use that against you to physically harm you. Or maybe it is like a personal thing, like prostate and you're just embarrassed about it.