The sentence that contains a noun clause is 'She asked why he was late.' A noun clause can function as an object in a sentence. The noun clause identified here is 'why he was late.' ;
The correct answer is 'c. She asked why he was late,' which contains a noun clause functioning as the object of the verb. Other options either present relative clauses, adverbial clauses, or conditional clauses. A noun clause serves a role similar to that of a noun in a sentence.
;