The correct answer should be B.
I think estufa makes more sense, because there are usually stoves in kitchens, as opposed to sofas and cars, and it's a better answer then a place to sit down.
Hope this helped!
Answer:
Tienes la clase de inglés a las nueve y media.
Answer:
The answer is 'conducen' if it's present tense.
'condujeron' if it's past tense.
'conducirán' if it's future tense.
'están conduciendo' if it's present continuous.
Explanation: