Question

Which best corrects the run-on sentence?

The Big Dipper is easily spotted it looks like a cup with a long handle.

A.
The Big Dipper is easily spotted, so it looks like a cup with a long handle.

B.
The Big Dipper is easily spotted. Looking like a cup with a long handle.

C.
The Big Dipper is easily spotted. It looks like a cup with a long handle.

D.
The Big Dipper is easy. To spot it looks like a cup with a long