Yes the answer is regular
The correct answer is A.<span>could not be heard above the voices in the hallway
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B is a subject, C is an adverbial of reason, while D is an adverbial of manner.
The difference between "lie" and "lay", is that lay is to place something in a position of use, and lie is to, be still or to be kept in a specified place.
Example for lay: "it is recommended to have your tile laid by professionals"
Example for lie: "The dress lay still on the bed "<span>
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Answer:The noun is morning and the preposition is in.
Explanation: