Read the sentence.
They ate the sandwiches, fruit, and vegetables before they washed the dishes.
How should the sentence be punctuated to omit the phrase "the sandwiches, fruit, and vegetables"?
A. They ate—before they washed the dishes.
B. They ate, before they washed the dishes.
C. They ate; before they washed the dishes.
D. They ate . . . before they washed the dishes.