Not 100 percent sure but i believe the set of words that is an adjective clause is D.
That I would like to study in more depth.
It includes the pronoun (that) the verb (study) and the subject (I)
Answer:
The leading cause of accidents for teenage drivers is using inexperience
Source: https://www.cdc.gov/motorvehiclesafety/teen_drivers/teendrivers_factsheet.html
Answer:
loudly is the adverb
Explanation:
loudly is the adverb in the sentence
an adverb allows greater definition of a word, such as who, what, where, why etc.
you can look for -ly at the end of words for an easier time looking for an adverb
The first one. I hope it helps :)