Although we don't have the sentence it is still possible to conclude that the word "for" is used as both a preposition and a conjunction, as stated in option C.
A preposition is a short word employed to establish a relationship between other words. An example of "for" being used as a preposition is:
A conjunction is a word employed to connect phrases and sentences. An example of "for" being used as a conjunction is:
The word "for" can function as a preposition or a conjunction only. It is not an adverb, a noun, etc., which eliminates all options except for C. Therefore, we can conclude that option C is the correct answer.
The complete question with the answer choices is the following:
The word "for" in the sentence is used as both
Learn more about prepositions here:
https://brainly.com/question/21537048
#SPJ1