C. Thesaurus
Dictionary's are used to find the definitions of words.
Spell check is used to correct incorrect spelling
Wikipedia is used to learn about the meanings and backgrounds of things
The pre in preview means that the students were able to see the movie before it actually came out.
They are describing colonel pickering from pygmalion, a play by george bernard shaw.
It is c. you want to draw the attention of the reader in the intro.
