From the words or group of words lettered A to D, choose the one that best completes the sentence. It was apparent that we were being ... by the heat as soo...

Answer Details

The best option that completes the sentence is "stifled." The sentence is talking about how the heat affected the people when the air conditioner was switched off. When someone is "stifled," it means they are feeling suffocated or uncomfortable due to the lack of air. Therefore, the people were feeling stifled due to the heat when the air conditioner was switched off.