The prefix used in a word to indicate opposite of, is ill. For example, illiterate
D) is definitely an academic skills.
A) - I would say as well, especially academic writing.
About B and C- I would say it depends - reading what? novels? organizing what? your paper? out of the two I would say that C) organizing is the better choice but it is also useful in science.
Being approachable, being confident and assertive & know what you wan t
