Question

What is a clause fragment?

Answer 1

C. A subordinate clause that has been written and punctuated as a stand-alone sentence but does not make sense as a sentence

Answer 2

It’s going to be -
C. A subordinate clause that has been written and punctuated as a stand-alone sentence but does not make sense as a sentence.

Why?
It is a fragment. That means it is like a piece of a puzzle and without the whole puzzle put together, it just, doesn’t make sense.

Examples - gets in the car.
Because you are not going.
If u don’t understand, copy and paste this link and watch this video:) hope this helps you.
https://www.khanacademy.org/humanities/grammar/syntax-conventions-of-standard-english/fragments-and-run-ons/v/recognizing-fragments-syntax-khan-academy