The eagle was hungry, to it made a bold move. Let us not lose our heads over this. Aeschylus confronted the turtle head on. LOL

I chose be, and I was wrong. In protest, I am just going to refuse to like this Barbu fella.

I picked C. The way I interpreted it was very similar to what B was saying. An effect (back pain) that occurs in the absence of a particular phenomenon (slipped disk) might not occur when that phenomenon is present. In other words: back pain may not occur when a slipped disk is present. To me, it was a very hard choice between B and C, because the way I interpreted it seemed to say almost the same thing to me.

where I am having trouble is in figuring out where the sufficiency indicator is on the stimulus.