The delivery technique Marcus is using while delivering a speech verbatim from a teleprompter is manuscript delivery.
So the text he is reading is called a manuscript, and he is delivering it in front of cameras or people. Verbatim means word for word - so he is reading everything that is written in the text. This is a common method of reading text during news on TV, for example.
I believe the answer is b
The difference between the split ring commutator in a DC motor and the slips rings in an AC generator can be tricky. The split ring makes changes in the rotation every so often. A slip ring just stays in place and is only used as a connector. So a slip ring is for DC, whereas the split ring is used for AC.
I'm no expert on linguistics, but I think the first statement speaks out the most to me
