Which of the following sentences use a subordinating conjunction? Choose two that apply.

A. Although it was early, the heat already hung heavy in the air.
B. Conversations slowed, and our smiles melted.
C. Within the hour, the whisper had grown to a roar.
D. I didn't know it then, but that single breeze would long stand out in my memory.
E. If I wait long enough, relief will come, just like the rain!

A. Although it was early, the heat already hung heavy in the air.

E. If I wait long enough, relief will come, just like the rain!