Answer:
(a) - Thinking about a story as you read it
Linguistic semantics is the area of semantics that studies meaning of words as they occur in grammatical structures.
Answer: 1. Linguistic semantics
Explanation
General semantics is the field of semantics that tells about the nature of words and symbols and attempts to express ideas effectively through the use of language thereby refining it.
Philosophical semantics is the area of semantics that studies the philosophical relations related to words and their meanings.
Semantics explores the branches of logic and language with its concerned meaning.
There are many branches under semantics.
It could be cheeky/satirical
Well, using my limited knowledge, "cleaving" means to chop, break in half, split, etc. Twain means twice. So, perhaps it's like "you've broke my heart in half", something along those lines? hopefully this helps you.