No it is not. It is an adverb phrase since it lacks a subordinating conjunction.
Adverb clauses must be preceded or started by a subordinating conjunction such as after, if, because or although. For a sentence to qualify as an adverb clause it must include in its body a subject and a verb.
As a general rule you can use the following formula:
An adverb clause equals a subordinate conjunction plus a subject plus a verb, and it should be answering how? when? where? or why?
D: The narrator leaves out important details.
Answer:
If the quoted words are a question, put the question mark inside the quotation marks.
If the entire sentence is a question, put the question mark outside the quotation marks.
Explanation:
