Which sentence is a compound sentence? A. Mom opened the oven, and fragrant smells immediately began to fill the room. B. Withou
t warning, a car alarm began to blare. C. The little boat rocked and swayed on the water until the waves calmed down. D. Until dinner was ready, we were told to stay away from the kitchen.
"A. Mom opened the oven, and fragrant smells immediately began to fill the room" is a compound sentence because it combines two, full independent clauses that can be written on their own.
I have just noticed that in simple future tense we add will because it is something that will happen in the future so you haven't done it yet hope it helps you if I'm wrong please tell me I will correct myself and send you the picture again.