Question

Which sentence is a compound sentence?

O A. After I finish moving, I'm going to buy furniture.
OB. The triangular key is the one that opens my door.
OC. Cute, fluffy, lazy cats lounged around the café.
OD. A snowstorm moved in, so class is canceled today.

Answer 1

OD. A snowstorm moved in, so class is canceled today.

Step-by-step explanation:

The sentences "a snowstorm moved in" and "class is canceled today" are made into one sentence with ", so" as the connection.