The correct expression to complete the blank in the sentence is "isn’t it" as shown in option C.
We can arrive at this answer because:
- For the blank space in a sentence to be filled, it is necessary to read the sentence and observe the context it presents.
- Next, we should look for the word or clause that best fits that context.
An example of this can be seen in the sentence above, where the speaker wants to know if it is true or false, that a girl says unreasonable things.
In this context of "true or false," it is correct to use the clause "isn’t it" to question the listener.
More information:
https://brainly.com/question/9407164?referrer=searchResults
