Most likely the third of one
I don't see any thing wrong with the sentences
I think that its D but I didn't read the whole passage.
A <span> noun clause plays the role of a noun. So, in the sentence ¨after a quick search, they found where the rabbits lived¨, the complete noun clause is the C. answer: where the rabbit lived.</span>
The first one,
Readers can use them to identify main ideas at a glance.
