Answer:
Past indefinite indicates that the action described in a sentence has happened before and is not a current happening.
Example:
She watched television. The example indicates that the action of watching was an event of the past.
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
I don’t want you to get this wrong but I think it is C.
The second option is the best fit! :)
hope this helps! have a good day!