Answer:
Answer choice (C), yet
Step-by-step explanation:
On the list of conjunctions, there is and, but, or, yet, etc. But what about the other choices? Well, (A), the word is which is just the word be, but third person, so it is not a conjunction. (B), student, is a noun, not a conjunction. (D), she, is also a noun. And lastly, (E), the word good, is an adjective, not a conjunction. Therefore, it is (C), yet. Hope this helps!