The word for in the sentence is used as both a preposition and a conjunction. Hence option C is correct.
What is Word ?A word is a fundamental component of language that has an objective or useful meaning, can stand alone, and cannot be interrupted. Despite the fact that language users frequently understand a term intuitively, linguists disagree on its exact meaning, and various attempts to identify precise standards for the idea have proven unsuccessful. According to the theoretical underpinnings and descriptive context, several standards have been put forth; these do not all converge on a single definition.To express the many meanings of the term "word" at different levels of description, certain particular definitions of the term are used, such as those based on phonological, grammatical, or orthographic bases. Some others contend that the idea is only a commonplace tradition.
To know more about Word ;
https://brainly.com/question/28611
#SPJ7.