Correct Answer:
Option C - The underlined clause of the above sentence is 'Adverb clause' because this clause is shown as an adverb of time and modifies the verb of main clause (lay down).
Thus, the correct answer is option (c).
C. The underlined clause of the above sentence is 'Adverb clause' because this clause is shown as an adverb of time and modifies the verb of main clause (lay down).
Thus, the correct answer is option (c).