This is america. wont catch you tripping though
It thought of as punctuation, a half cadence is like a comma . So, the answer that you are looking for is d) half cadence.
1. Wrist 2. Muscles 3.shoulder 4.presses
Knows little. 2 and 3 are both presuming too much, as it's the writer's duty to get them interested and informed. 4 basically doesn't matter, and furthermore may not even apply in many forms of writing. 1 is the best answer, as writing for general audiences is intended to inform and expand the horizons of the reader.
I'm not the best with these, but I'd say It's D. (I'd wait till others answer this. I'm not very good with these.)