Which does not contain a run-on sentence?
AMy sister cooked most of this gourmet dinner, I made the spinach salad.
BI made the spinach salad, my sister cooked most of this gourmet dinner.
CI made the spinach salad my sister cooked most of this gourmet dinner.
DMy sister cooked most of this gourmet dinner, but I made the spinach salad.
AMy sister cooked most of this gourmet dinner, I made the spinach salad.
BI made the spinach salad, my sister cooked most of this gourmet dinner.
CI made the spinach salad my sister cooked most of this gourmet dinner.
DMy sister cooked most of this gourmet dinner, but I made the spinach salad.